diff --git a/TODO b/TODO
index 8dec54c..f5ebb6a 100644
--- a/TODO
+++ b/TODO
@@ -2,6 +2,8 @@
 -- compat with kwalletmanager
 --- Will require conversion to different struct model.
 
-- walletCheck on all items' operations?
+- walletCheck on all items' and folders' operations?
+
+- close Dbus.Conn
 
 - TESTS
diff --git a/blob_funcs.go b/blob_funcs.go
index 5d585e4..8aaabb0 100644
--- a/blob_funcs.go
+++ b/blob_funcs.go
@@ -12,7 +12,7 @@ import (
 func NewBlob(f *Folder, keyName string, recursion *RecurseOpts) (blob *Blob, err error) {
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
@@ -26,6 +26,7 @@ func NewBlob(f *Folder, keyName string, recursion *RecurseOpts) (blob *Blob, err
 		folder:  f,
 		isInit:  false,
 	}
+	blob.isInit = true
 
 	if blob.Recurse.AllWalletItems || blob.Recurse.Blobs {
 		if err = blob.Update(); err != nil {
@@ -65,11 +66,16 @@ func (b *Blob) SetValue(newValue []byte) (err error) {
 // Update fetches a Blob's Blob.Value.
 func (b *Blob) Update() (err error) {
 
+	var call *dbus.Call
 	var v dbus.Variant
 
-	if err = b.Dbus.Call(
+	if call = b.Dbus.Call(
 		DbusWMReadEntry, 0, b.folder.wallet.handle, b.folder.Name, b.Name, b.folder.wallet.wm.AppID,
-	).Store(&v); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&v); err != nil {
 		return
 	}
 
diff --git a/blob_funcs_test.go b/blob_funcs_test.go
index 240e6ee..eb3d671 100644
--- a/blob_funcs_test.go
+++ b/blob_funcs_test.go
@@ -1 +1,20 @@
 package gokwallet
+
+import (
+	"testing"
+)
+
+func TestNewBlob(t *testing.T) {
+
+	var err error
+	var f *Folder
+	var b *Blob
+
+	if _, _, f, err = getTestEnv(t); err != nil {
+		t.Fatalf("failure getting test env: %v", err)
+	}
+
+	// if b, err = NewBlob(f)
+	_ = f
+	_ = b
+}
diff --git a/consts_test.go b/consts_test.go
new file mode 100644
index 0000000..d4c8340
--- /dev/null
+++ b/consts_test.go
@@ -0,0 +1,15 @@
+package gokwallet
+
+import (
+	"github.com/google/uuid"
+)
+
+// Strings.
+const (
+	appIdTest string = "GoKwallet_Test"
+)
+
+var (
+	walletTest uuid.UUID = uuid.New()
+	folderTest uuid.UUID = uuid.New()
+)
diff --git a/errs.go b/errs.go
index 2b5d190..a760b3a 100644
--- a/errs.go
+++ b/errs.go
@@ -11,14 +11,17 @@ var (
 		this would lead to a Wallet missing a handler).
 		It is intended as a safety check (so that you don't accidentally delete a wallet with e.g. a handler of 0 when
 		trying to delete a different wallet).
+		It's mostly a placeholder for more specific errors.
 	*/
 	ErrNotInitialized error = errors.New("object not properly initialized")
 	/*
 		ErrOperationFailed is a generic failure message that will occur of a Dbus operation returns non-success.
+		It is a placeholder for more specific messages.
 	*/
 	ErrOperationFailed error = errors.New("a Dbus operation has failed to execute successfully")
 	/*
 		ErrNoCreate is triggered if attempting to create an item (Folder, Password, etc.) but it fails.
+		It is a placeholder for more specific messages.
 	*/
 	ErrNoCreate error = errors.New("failed to create an object")
 	// ErrNoDisconnect can occur if trying to disconnect a Wallet from a WalletManager/application and a failure occurs.
@@ -26,3 +29,29 @@ var (
 	// ErrInvalidMap will get triggered if a populated map[string]string (even an empty one) is expected but a nil is received.
 	ErrInvalidMap error = errors.New("invalid map; cannot be nil")
 )
+
+// Dbus Operation failures.
+var (
+	// ErrDbusOpfailNoHandle returns when attempting to open a Wallet and assign to Wallet.handle but received a nil handle.
+	ErrDbusOpfailNoHandle error = errors.New("a wallet handler request returned nil")
+	// ErrDbusOpfailRemoveFolder occurs when attempting to delete/remove a Folder from a Wallet but it did not complete successfully.
+	ErrDbusOpfailRemoveFolder error = errors.New("failed to remove/delete a Folder from a Wallet")
+)
+
+// Initialization errors. They are more "detailed" ErrNotInitialized errors.
+var (
+	// ErrInitWM occurs if a WalletManager is not initialized properly.
+	ErrInitWM error = errors.New("a WalletManager was not properly initialized")
+	// ErrInitWallet occurs if a Wallet is not initialized properly.
+	ErrInitWallet error = errors.New("a Wallet was not properly initialized")
+	// ErrInitFolder occurs if a Folder is not initialized properly.
+	ErrInitFolder error = errors.New("a Folder was not properly initialized")
+	// ErrInitBlob occurs if a Blob is not initialized properly.
+	ErrInitBlob error = errors.New("a Blob was not properly initialized")
+	// ErrInitMap occurs if a Map is not initialized properly.
+	ErrInitMap error = errors.New("a Map was not properly initialized")
+	// ErrInitPassword occurs if a Password is not initialized properly.
+	ErrInitPassword error = errors.New("a Password was not properly initialized")
+	// ErrInitUnknownItem occurs if an UnknownItem is not initialized properly.
+	ErrInitUnknownItem error = errors.New("an UnknownItem was not properly initialized")
+)
diff --git a/folder_funcs.go b/folder_funcs.go
index 12e0c05..ff549d8 100644
--- a/folder_funcs.go
+++ b/folder_funcs.go
@@ -12,7 +12,7 @@ import (
 func NewFolder(w *Wallet, name string, recursion *RecurseOpts) (folder *Folder, err error) {
 
 	if !w.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWallet
 		return
 	}
 
@@ -29,6 +29,8 @@ func NewFolder(w *Wallet, name string, recursion *RecurseOpts) (folder *Folder,
 		isInit:     false,
 	}
 
+	folder.isInit = true
+
 	if folder.Recurse.AllWalletItems ||
 		folder.Recurse.Passwords ||
 		folder.Recurse.Maps ||
@@ -62,9 +64,15 @@ func (f *Folder) Delete() (err error) {
 // HasEntry specifies if a Folder has an entry (WalletItem item) by the give entryName.
 func (f *Folder) HasEntry(entryName string) (hasEntry bool, err error) {
 
-	if err = f.Dbus.Call(
+	var call *dbus.Call
+
+	if call = f.Dbus.Call(
 		DbusWMHasEntry, 0, f.wallet.handle, f.Name, entryName, f.wallet.wm.AppID,
-	).Store(&hasEntry); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&hasEntry); err != nil {
 		return
 	}
 
@@ -78,9 +86,15 @@ func (f *Folder) HasEntry(entryName string) (hasEntry bool, err error) {
 */
 func (f *Folder) KeyNotExist(entryName string) (doesNotExist bool, err error) {
 
-	if err = f.Dbus.Call(
+	var call *dbus.Call
+
+	if call = f.Dbus.Call(
 		DbusWMKeyNotExist, 0, f.wallet.Name, f.Name, entryName,
-	).Store(&doesNotExist); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&doesNotExist); err != nil {
 		return
 	}
 
@@ -90,9 +104,15 @@ func (f *Folder) KeyNotExist(entryName string) (doesNotExist bool, err error) {
 // ListEntries lists all entries (WalletItem items) in a Folder (regardless of type) by name.
 func (f *Folder) ListEntries() (entryNames []string, err error) {
 
-	if err = f.Dbus.Call(
+	var call *dbus.Call
+
+	if call = f.Dbus.Call(
 		DbusWMEntryList, 0, f.wallet.handle, f.Name, f.wallet.wm.AppID,
-	).Store(&entryNames); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&entryNames); err != nil {
 		return
 	}
 
@@ -102,11 +122,16 @@ func (f *Folder) ListEntries() (entryNames []string, err error) {
 // RemoveEntry removes a WalletItem from a Folder given its entryName (key).
 func (f *Folder) RemoveEntry(entryName string) (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMRemoveEntry, 0, f.wallet.handle, f.Name, entryName, f.wallet.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -118,11 +143,16 @@ func (f *Folder) RemoveEntry(entryName string) (err error) {
 // RenameEntry renames a WalletItem in a Folder from entryName to newEntryName.
 func (f *Folder) RenameEntry(entryName, newEntryName string) (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMRenameEntry, 0, f.wallet.handle, f.Name, entryName, newEntryName, f.wallet.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -171,19 +201,24 @@ func (f *Folder) Update() (err error) {
 // UpdateBlobs updates (populates) a Folder's Folder.BinaryData.
 func (f *Folder) UpdateBlobs() (err error) {
 
+	var call *dbus.Call
 	var mapKeys []string
 	var isBlob bool
 	var variant dbus.Variant
 	var errs []error = make([]error, 0)
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMEntriesList, 0, f.wallet.handle, f.Name, f.wallet.wm.AppID,
-	).Store(&variant); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&variant); err != nil {
 		return
 	}
 
@@ -218,13 +253,18 @@ func (f *Folder) UpdateBlobs() (err error) {
 // UpdateMaps updates (populates) a Folder's Folder.Maps.
 func (f *Folder) UpdateMaps() (err error) {
 
+	var call *dbus.Call
 	var mapKeys []string
 	var variant dbus.Variant
 	var errs []error = make([]error, 0)
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMMapList, 0, f.wallet.handle, f.Name, f.wallet.wm.AppID,
-	).Store(&variant); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&variant); err != nil {
 		return
 	}
 
@@ -250,18 +290,23 @@ func (f *Folder) UpdateMaps() (err error) {
 // UpdatePasswords updates (populates) a Folder's Folder.Passwords.
 func (f *Folder) UpdatePasswords() (err error) {
 
+	var call *dbus.Call
 	var mapKeys []string
 	var variant dbus.Variant
 	var errs []error = make([]error, 0)
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMPasswordList, 0, f.wallet.handle, f.Name, f.wallet.wm.AppID,
-	).Store(&variant); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&variant); err != nil {
 		return
 	}
 
@@ -287,19 +332,24 @@ func (f *Folder) UpdatePasswords() (err error) {
 // UpdateUnknowns updates (populates) a Folder's Folder.Unknown.
 func (f *Folder) UpdateUnknowns() (err error) {
 
+	var call *dbus.Call
 	var mapKeys []string
 	var isUnknown bool
 	var variant dbus.Variant
 	var errs []error = make([]error, 0)
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMEntriesList, 0, f.wallet.handle, f.Name, f.wallet.wm.AppID,
-	).Store(&variant); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&variant); err != nil {
 		return
 	}
 
@@ -352,6 +402,7 @@ func (f *Folder) WriteBlob(entryName string, entryValue []byte) (b *Blob, err er
 */
 func (f *Folder) WriteEntry(entryName string, entryType kwalletdEnumType, entryValue []byte) (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
 	if entryType == KwalletdEnumTypeUnused {
@@ -359,9 +410,13 @@ func (f *Folder) WriteEntry(entryName string, entryType kwalletdEnumType, entryV
 		return
 	}
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMWriteEntry, 0, f.wallet.handle, f.Name, entryName, entryValue, int32(entryType), f.wallet.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -373,6 +428,7 @@ func (f *Folder) WriteEntry(entryName string, entryType kwalletdEnumType, entryV
 // WriteMap adds or replaces a Map to/in a Folder.
 func (f *Folder) WriteMap(entryName string, entryValue map[string]string) (m *Map, err error) {
 
+	var call *dbus.Call
 	var rslt int32
 	var b []byte
 
@@ -380,9 +436,13 @@ func (f *Folder) WriteMap(entryName string, entryValue map[string]string) (m *Ma
 		return
 	}
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMWriteMap, 0, f.wallet.handle, f.Name, entryName, b, f.wallet.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -398,11 +458,16 @@ func (f *Folder) WriteMap(entryName string, entryValue map[string]string) (m *Ma
 // WritePassword adds or replaces a Password to/in a Folder.
 func (f *Folder) WritePassword(entryName, entryValue string) (p *Password, err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMWritePassword, 0, f.wallet.handle, f.Name, entryName, entryValue, f.wallet.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -432,11 +497,16 @@ func (f *Folder) WriteUnknown(entryName string, entryValue []byte) (u *UnknownIt
 // isType checks if a certain key keyName is of type typeCheck (via KwalletdEnumType*).
 func (f *Folder) isType(keyName string, typeCheck kwalletdEnumType) (isOfType bool, err error) {
 
+	var call *dbus.Call
 	var entryType int32
 
-	if err = f.Dbus.Call(
+	if call = f.Dbus.Call(
 		DbusWMEntryType, 0, f.wallet.handle, f.Name, keyName, f.wallet.wm.AppID,
-	).Store(&entryType); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&entryType); err != nil {
 		return
 	}
 
diff --git a/go.mod b/go.mod
index 9b8411b..89416e3 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module r00t2.io/gokwallet
 
 go 1.17
 
-require github.com/godbus/dbus/v5 v5.0.6
+require (
+	github.com/godbus/dbus/v5 v5.0.6
+	github.com/google/uuid v1.3.0
+)
diff --git a/go.sum b/go.sum
index aeec758..4c667d8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,4 @@
 github.com/godbus/dbus/v5 v5.0.6 h1:mkgN1ofwASrYnJ5W6U/BxG15eXXXjirgZc7CLqkcaro=
 github.com/godbus/dbus/v5 v5.0.6/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
diff --git a/map_funcs.go b/map_funcs.go
index a1ebee8..55773ff 100644
--- a/map_funcs.go
+++ b/map_funcs.go
@@ -1,5 +1,9 @@
 package gokwallet
 
+import (
+	"github.com/godbus/dbus/v5"
+)
+
 /*
 	NewMap returns a Map. It requires a RecurseOpts
 	(you can use DefaultRecurseOpts, call NewRecurseOpts, or provide your own RecurseOpts struct).
@@ -8,7 +12,7 @@ package gokwallet
 func NewMap(f *Folder, keyName string, recursion *RecurseOpts) (m *Map, err error) {
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
@@ -23,6 +27,8 @@ func NewMap(f *Folder, keyName string, recursion *RecurseOpts) (m *Map, err erro
 		isInit:  false,
 	}
 
+	m.isInit = true
+
 	if m.Recurse.AllWalletItems || m.Recurse.Maps {
 		if err = m.Update(); err != nil {
 			return
@@ -61,11 +67,16 @@ func (m *Map) SetValue(newValue map[string]string) (err error) {
 // Update fetches a Map's Map.Value.
 func (m *Map) Update() (err error) {
 
+	var call *dbus.Call
 	var b []byte
 
-	if err = m.Dbus.Call(
+	if call = m.Dbus.Call(
 		DbusWMReadMap, 0, m.folder.wallet.handle, m.folder.Name, m.Name, m.folder.wallet.wm.AppID,
-	).Store(&b); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&b); err != nil {
 		return
 	}
 
diff --git a/multierror_funcs.go b/multierror_funcs.go
index b5d96b4..e53f97a 100644
--- a/multierror_funcs.go
+++ b/multierror_funcs.go
@@ -48,7 +48,7 @@ func (e *MultiError) Error() (errStr string) {
 
 	for idx, err := range e.Errors {
 		if (idx + 1) < numErrs {
-			errStr += fmt.Sprintf(err.Error(), e.ErrorSep)
+			errStr += fmt.Sprintf("%v%v", err.Error(), e.ErrorSep)
 		} else {
 			errStr += err.Error()
 		}
diff --git a/password_funcs.go b/password_funcs.go
index 3bd1eb8..8fe45f1 100644
--- a/password_funcs.go
+++ b/password_funcs.go
@@ -1,5 +1,9 @@
 package gokwallet
 
+import (
+	"github.com/godbus/dbus/v5"
+)
+
 /*
 	NewPassword returns a Password. It requires a RecurseOpts
 	(you can use DefaultRecurseOpts, call NewRecurseOpts, or provide your own RecurseOpts struct).
@@ -8,7 +12,7 @@ package gokwallet
 func NewPassword(f *Folder, keyName string, recursion *RecurseOpts) (password *Password, err error) {
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
@@ -23,6 +27,8 @@ func NewPassword(f *Folder, keyName string, recursion *RecurseOpts) (password *P
 		isInit:  false,
 	}
 
+	password.isInit = true
+
 	if password.Recurse.AllWalletItems || password.Recurse.Passwords {
 		if err = password.Update(); err != nil {
 			return
@@ -61,11 +67,16 @@ func (p *Password) SetValue(newValue string) (err error) {
 // Update fetches a Password's Password.Value.
 func (p *Password) Update() (err error) {
 
+	var call *dbus.Call
 	var b []byte
 
-	if err = p.Dbus.Call(
+	if call = p.Dbus.Call(
 		DbusWMReadPassword, 0, p.folder.wallet.handle, p.folder.Name, p.Name, p.folder.wallet.wm.AppID,
-	).Store(&b); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&b); err != nil {
 		return
 	}
 
diff --git a/types.go b/types.go
index a6901f3..e09e71a 100644
--- a/types.go
+++ b/types.go
@@ -86,8 +86,10 @@ type Wallet struct {
 	wm *WalletManager
 	// handle is this Wallet's handler number.
 	handle int32
-	// isInit flags whether this is "properly" set up (i.e. has a handle).
+	// isInit flags whether this is "properly" set up.
 	isInit bool
+	// hasHandle specifies if this Wallet's Wallet.handle has been explicitly set yet.
+	hasHandle bool
 }
 
 // Folder contains secret object collections of Password, Map, Blob, and UnknownItem objects.
diff --git a/unknownitem_funcs.go b/unknownitem_funcs.go
index 2d4b54a..d21617f 100644
--- a/unknownitem_funcs.go
+++ b/unknownitem_funcs.go
@@ -12,7 +12,7 @@ import (
 func NewUnknownItem(f *Folder, keyName string, recursion *RecurseOpts) (unknown *UnknownItem, err error) {
 
 	if !f.isInit {
-		err = ErrNotInitialized
+		err = ErrInitFolder
 		return
 	}
 
@@ -27,6 +27,8 @@ func NewUnknownItem(f *Folder, keyName string, recursion *RecurseOpts) (unknown
 		isInit:  false,
 	}
 
+	unknown.isInit = true
+
 	if unknown.Recurse.AllWalletItems || unknown.Recurse.UnknownItems {
 		if err = unknown.Update(); err != nil {
 			return
@@ -65,11 +67,16 @@ func (u *UnknownItem) SetValue(newValue []byte) (err error) {
 // Update fetches an UnknownItem's UnknownItem.Value.
 func (u *UnknownItem) Update() (err error) {
 
+	var call *dbus.Call
 	var v dbus.Variant
 
-	if err = u.Dbus.Call(
+	if call = u.Dbus.Call(
 		DbusWMReadEntry, 0, u.folder.wallet.handle, u.folder.Name, u.Name, u.folder.wallet.wm.AppID,
-	).Store(&v); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&v); err != nil {
 		return
 	}
 
diff --git a/utils_test.go b/utils_test.go
index 240e6ee..977fd53 100644
--- a/utils_test.go
+++ b/utils_test.go
@@ -1 +1,29 @@
 package gokwallet
+
+import (
+	"testing"
+)
+
+func getTestEnv(t *testing.T) (wm *WalletManager, w *Wallet, f *Folder, err error) {
+
+	var r *RecurseOpts = DefaultRecurseOpts
+
+	r.AllWalletItems = true
+
+	if wm, err = NewWalletManager(r, appIdTest); err != nil {
+		t.Errorf("failure when getting WalletManager '%v': %v", appIdTest, err)
+		return
+	}
+
+	if w, err = NewWallet(wm, walletTest.String(), wm.Recurse); err != nil {
+		t.Errorf("failure when getting Wallet '%v:%v': %v", appIdTest, walletTest.String(), err)
+		return
+	}
+
+	if f, err = NewFolder(w, folderTest.String(), w.Recurse); err != nil {
+		t.Errorf("failure when getting Folder '%v:%v:%v': %v", appIdTest, walletTest.String(), folderTest.String(), err)
+		return
+	}
+
+	return
+}
diff --git a/wallet_funcs.go b/wallet_funcs.go
index bee868f..60ea213 100644
--- a/wallet_funcs.go
+++ b/wallet_funcs.go
@@ -12,7 +12,7 @@ import (
 func NewWallet(wm *WalletManager, name string, recursion *RecurseOpts) (wallet *Wallet, err error) {
 
 	if !wm.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWM
 		return
 	}
 
@@ -26,6 +26,8 @@ func NewWallet(wm *WalletManager, name string, recursion *RecurseOpts) (wallet *
 		isInit: false,
 	}
 
+	wallet.isInit = true
+
 	// TODO: remove this and leave to caller, since it might use PamOpen instead? Fail back to it?
 	if err = wallet.walletCheck(); err != nil {
 		return
@@ -45,15 +47,20 @@ func NewWallet(wm *WalletManager, name string, recursion *RecurseOpts) (wallet *
 // Disconnect disconnects this Wallet from its parent WalletManager.
 func (w *Wallet) Disconnect() (err error) {
 
+	var call *dbus.Call
 	var ok bool
 
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMDisconnectApp, 0, w.Name, w.wm.AppID,
-	).Store(&ok); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&ok); err != nil {
 		return
 	}
 
@@ -67,15 +74,20 @@ func (w *Wallet) Disconnect() (err error) {
 // DisconnectApplication disconnects this Wallet from a specified WalletManager/application (see Wallet.Connections).
 func (w *Wallet) DisconnectApplication(appName string) (err error) {
 
+	var call *dbus.Call
 	var ok bool
 
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMDisconnectApp, 0, appName, w.wm.AppID,
-	).Store(&ok); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&ok); err != nil {
 		return
 	}
 
@@ -88,7 +100,8 @@ func (w *Wallet) DisconnectApplication(appName string) (err error) {
 
 /*
 	ChangePassword will change (or set) the password for a Wallet.
-	Note that this *must* be done via the windowing layer.
+	Note that this *must* be done via the windowing/graphical layer.
+	There is no way to change a Wallet's password via the Dbus API.
 */
 func (w *Wallet) ChangePassword() (err error) {
 
@@ -98,11 +111,12 @@ func (w *Wallet) ChangePassword() (err error) {
 		return
 	}
 
-	call = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMChangePassword, 0, w.Name, DefaultWindowID, w.wm.AppID,
-	)
-
-	err = call.Err
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
 
 	return
 }
@@ -110,6 +124,7 @@ func (w *Wallet) ChangePassword() (err error) {
 // Close closes a Wallet.
 func (w *Wallet) Close() (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
 	if err = w.walletCheck(); err != nil {
@@ -117,9 +132,13 @@ func (w *Wallet) Close() (err error) {
 	}
 
 	// Using a handler allows us to close access for this particular parent WalletManager.
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMClose, 0, w.handle, false, w.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -131,13 +150,19 @@ func (w *Wallet) Close() (err error) {
 // Connections lists the application names for connections to ("users of") this Wallet.
 func (w *Wallet) Connections() (connList []string, err error) {
 
+	var call *dbus.Call
+
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMUsers, 0, w.Name,
-	).Store(&connList); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&connList); err != nil {
 		return
 	}
 
@@ -147,15 +172,20 @@ func (w *Wallet) Connections() (connList []string, err error) {
 // CreateFolder creates a new Folder in a Wallet.
 func (w *Wallet) CreateFolder(name string) (err error) {
 
+	var call *dbus.Call
 	var ok bool
 
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMCreateFolder, 0, w.handle, name, w.wm.AppID,
-	).Store(&ok); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&ok); err != nil {
 		return
 	}
 
@@ -169,15 +199,20 @@ func (w *Wallet) CreateFolder(name string) (err error) {
 // Delete deletes a Wallet.
 func (w *Wallet) Delete() (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMDeleteWallet, 0, w.Name,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -191,13 +226,18 @@ func (w *Wallet) Delete() (err error) {
 // FolderExists indicates if a Folder exists in a Wallet or not.
 func (w *Wallet) FolderExists(folderName string) (exists bool, err error) {
 
+	var call *dbus.Call
 	var notExists bool
 
 	// We don't need a walletcheck here since we don't need a handle.
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMFolderNotExist, 0, w.Name, folderName,
-	).Store(&notExists); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&notExists); err != nil {
 		return
 	}
 
@@ -212,6 +252,7 @@ func (w *Wallet) FolderExists(folderName string) (exists bool, err error) {
 */
 func (w *Wallet) ForceClose() (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
 	if err = w.walletCheck(); err != nil {
@@ -219,9 +260,13 @@ func (w *Wallet) ForceClose() (err error) {
 	}
 
 	// Using a handler allows us to close access for this particular parent WalletManager.
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMClose, 0, w.handle, true, w.wm.AppID,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -233,13 +278,19 @@ func (w *Wallet) ForceClose() (err error) {
 // HasFolder indicates if a Wallet has a Folder in it named folderName.
 func (w *Wallet) HasFolder(folderName string) (hasFolder bool, err error) {
 
+	var call *dbus.Call
+
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMHasFolder, 0, w.handle, folderName, w.wm.AppID,
-	).Store(&hasFolder); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&hasFolder); err != nil {
 		return
 	}
 
@@ -249,12 +300,22 @@ func (w *Wallet) HasFolder(folderName string) (hasFolder bool, err error) {
 // IsOpen returns whether a Wallet is open ("unlocked") or not (as well as updates Wallet.IsOpen).
 func (w *Wallet) IsOpen() (isOpen bool, err error) {
 
+	var call *dbus.Call
+
 	// We don't call walletcheck here because this method is called by a walletcheck.
+	if !w.isInit {
+		err = ErrInitWallet
+		return
+	}
 
 	// We can call the same method with w.handle instead of w.Name. We don't have a handler yet though.
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMIsOpen, 0, w.Name,
-	).Store(&w.IsUnlocked); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&w.IsUnlocked); err != nil {
 		return
 	}
 
@@ -266,13 +327,19 @@ func (w *Wallet) IsOpen() (isOpen bool, err error) {
 // ListFolders lists all Folder names in a Wallet.
 func (w *Wallet) ListFolders() (folderList []string, err error) {
 
+	var call *dbus.Call
+
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMFolderList, 0, w.handle, w.wm.AppID,
-	).Store(&folderList); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&folderList); err != nil {
 		return
 	}
 
@@ -285,27 +352,35 @@ func (w *Wallet) ListFolders() (folderList []string, err error) {
 */
 func (w *Wallet) Open() (err error) {
 
-	var handler *int32
+	var call *dbus.Call
+	var handler *int32 = new(int32)
 
-	if err = w.walletCheck(); err != nil {
+	// We don't call walletcheck here because this method is called by a walletcheck.
+	if !w.isInit {
+		err = ErrInitWallet
 		return
 	}
 
-	if !w.IsUnlocked {
-		if err = w.Dbus.Call(
-			DbusWMOpen, 0,
-		).Store(handler); err != nil {
+	if !w.IsUnlocked || !w.hasHandle {
+		if call = w.Dbus.Call(
+			DbusWMOpen, 0, w.Name, DefaultWindowID, w.wm.AppID,
+		); call.Err != nil {
+			err = call.Err
+			return
+		}
+		if err = call.Store(handler); err != nil {
 			return
 		}
 	}
 
 	if handler == nil {
-		err = ErrOperationFailed
+		err = ErrDbusOpfailNoHandle
 		return
 	} else {
 		w.handle = *handler
 	}
 
+	w.hasHandle = true
 	w.IsUnlocked = true
 
 	return
@@ -317,20 +392,25 @@ func (w *Wallet) Open() (err error) {
 */
 func (w *Wallet) RemoveFolder(folderName string) (err error) {
 
+	var call *dbus.Call
 	var success bool
 
 	if err = w.walletCheck(); err != nil {
 		return
 	}
 
-	if err = w.Dbus.Call(
+	if call = w.Dbus.Call(
 		DbusWMRemoveFolder, 0, w.handle, folderName, w.wm.AppID,
-	).Store(&success); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&success); err != nil {
 		return
 	}
 
 	if !success {
-		err = ErrOperationFailed
+		err = ErrDbusOpfailRemoveFolder
 		return
 	}
 
@@ -373,7 +453,7 @@ func (w *Wallet) Update() (err error) {
 func (w *Wallet) walletCheck() (err error) {
 
 	if !w.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWallet
 		return
 	}
 
@@ -381,7 +461,7 @@ func (w *Wallet) walletCheck() (err error) {
 		return
 	}
 
-	if !w.IsUnlocked {
+	if !w.IsUnlocked || !w.hasHandle {
 		if err = w.Open(); err != nil {
 			return
 		}
diff --git a/walletmanager_funcs.go b/walletmanager_funcs.go
index 167e8c6..22c36b0 100644
--- a/walletmanager_funcs.go
+++ b/walletmanager_funcs.go
@@ -80,17 +80,23 @@ func NewWalletManagerFiles(recursion *RecurseOpts, appId string, filePaths ...st
 	for the specified Wallet - not just this WalletManager.
 */
 func (wm *WalletManager) CloseWallet(walletName string) (err error) {
+
+	var call *dbus.Call
 	var rslt int32
 
 	if !wm.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWM
 		return
 	}
 
 	// Using a handler allows us to close access for this particular parent WalletManager.
-	if err = wm.Dbus.Call(
+	if call = wm.Dbus.Call(
 		DbusWMClose, 0, walletName, false,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -106,17 +112,22 @@ func (wm *WalletManager) CloseWallet(walletName string) (err error) {
 */
 func (wm *WalletManager) ForceCloseWallet(walletName string) (err error) {
 
+	var call *dbus.Call
 	var rslt int32
 
 	if !wm.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWM
 		return
 	}
 
 	// Using a handler allows us to close access for this particular parent WalletManager.
-	if err = wm.Dbus.Call(
+	if call = wm.Dbus.Call(
 		DbusWMClose, 0, walletName, false,
-	).Store(&rslt); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&rslt); err != nil {
 		return
 	}
 
@@ -125,20 +136,25 @@ func (wm *WalletManager) ForceCloseWallet(walletName string) (err error) {
 	return
 }
 
-// CloseAllWallets closes all Wallet objects. They do *not* need to be part of WalletManager.Wallets.
+/*
+	CloseAllWallets closes all Wallet objects. They do *not* need to be part of WalletManager.Wallets.
+	"All wallets" really means *all* wallets.
+*/
 func (wm *WalletManager) CloseAllWallets() (err error) {
 
 	var call *dbus.Call
 
 	if !wm.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWM
 		return
 	}
 
-	call = wm.Dbus.Call(
+	if call = wm.Dbus.Call(
 		DbusWMCloseAllWallets, 0,
-	)
-	err = call.Err
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
 
 	return
 }
@@ -146,14 +162,20 @@ func (wm *WalletManager) CloseAllWallets() (err error) {
 // IsEnabled returns whether KWallet is enabled or not (and also updates WalletManager.Enabled).
 func (wm *WalletManager) IsEnabled() (enabled bool, err error) {
 
+	var call *dbus.Call
+
 	if !wm.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWM
 		return
 	}
 
-	if err = wm.Dbus.Call(
+	if call = wm.Dbus.Call(
 		DbusWMIsEnabled, 0,
-	).Store(&wm.Enabled); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&wm.Enabled); err != nil {
 		return
 	}
 
@@ -165,11 +187,21 @@ func (wm *WalletManager) IsEnabled() (enabled bool, err error) {
 // LocalWallet returns the "local" wallet (and updates WalletManager.Local).
 func (wm *WalletManager) LocalWallet() (w *Wallet, err error) {
 
+	var call *dbus.Call
 	var wn string
 
-	if err = wm.Dbus.Call(
+	if !wm.isInit {
+		err = ErrInitWM
+		return
+	}
+
+	if call = wm.Dbus.Call(
 		DbusWMLocalWallet, 0,
-	).Store(&wn); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&wn); err != nil {
 		return
 	}
 
@@ -185,11 +217,21 @@ func (wm *WalletManager) LocalWallet() (w *Wallet, err error) {
 // NetworkWallet returns the "network" wallet (and updates WalletManager.Network).
 func (wm *WalletManager) NetworkWallet() (w *Wallet, err error) {
 
+	var call *dbus.Call
 	var wn string
 
-	if err = wm.Dbus.Call(
+	if !wm.isInit {
+		err = ErrInitWM
+		return
+	}
+
+	if call = wm.Dbus.Call(
 		DbusWMNetWallet, 0,
-	).Store(&wn); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&wn); err != nil {
 		return
 	}
 
@@ -205,9 +247,15 @@ func (wm *WalletManager) NetworkWallet() (w *Wallet, err error) {
 // WalletNames returns a list of existing Wallet names.
 func (wm *WalletManager) WalletNames() (wallets []string, err error) {
 
-	if err = wm.Dbus.Call(
+	var call *dbus.Call
+
+	if call = wm.Dbus.Call(
 		DbusWMWallets, 0,
-	).Store(&wallets); err != nil {
+	); call.Err != nil {
+		err = call.Err
+		return
+	}
+	if err = call.Store(&wallets); err != nil {
 		return
 	}
 
@@ -221,7 +269,7 @@ func (wm *WalletManager) Update() (err error) {
 	var errs []error = make([]error, 0)
 
 	if !wm.isInit {
-		err = ErrNotInitialized
+		err = ErrInitWM
 		return
 	}
 
@@ -268,6 +316,10 @@ func newWM(appId string, recursion *RecurseOpts, filePaths ...string) (wm *Walle
 
 	wm.isInit = true
 
+	if _, err = wm.IsEnabled(); err != nil {
+		return
+	}
+
 	if wm.Recurse.All || wm.Recurse.Wallets {
 		if err = wm.Update(); err != nil {
 			return