diff --git a/lib/pages/tracked_item.dart b/lib/pages/tracked_item.dart
index fd83bf6..7b22af1 100644
--- a/lib/pages/tracked_item.dart
+++ b/lib/pages/tracked_item.dart
@@ -297,6 +297,21 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
     String amountText =
         widget.amountText != null ? widget.amountText! : TrackedItem.amountText;
 
+    Future<List<TrackedItem>> items;
+    switch (_type) {
+      case ItemType.expense:
+        items = DatabaseHelper.instance.getExpenses();
+        break;
+      case ItemType.income:
+        items = DatabaseHelper.instance.getIncomes();
+        break;
+      case ItemType.asset:
+        items = DatabaseHelper.instance.getAssets();
+        break;
+      default:
+        throw UnimplementedError("Cannot find unimplemented type.");
+    }
+
     return Column(
       // prevent AlertDialog from taking full vertical height.
       mainAxisSize: MainAxisSize.min,
@@ -336,15 +351,15 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
                 ? Text("New ${_type!.title}")
                 : Text("Edit ${_type!.title}"),
           ),
-          content: FutureBuilder<List<Expense>>(
+          content: FutureBuilder<List<TrackedItem>>(
               // TODO / TBD -- This should no longer only be Expenses.
-              future: DatabaseHelper.instance.getExpenses(),
+              future: items,
               builder: (BuildContext context,
-                  AsyncSnapshot<List<Expense>> snapshot) {
+                  AsyncSnapshot<List<TrackedItem>> snapshot) {
                 if (!snapshot.hasData) {
                   return Center(child: Text('Loading...'));
                 }
-                List<Expense> expenses = snapshot.data!;
+                List<TrackedItem> expenses = snapshot.data!;
                 return Form(
                   key: _formKey,
                   child: Column(
@@ -392,7 +407,16 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
                             return "$amountText must be a valid number.";
                           }
                           if (double.parse(value) < 0) {
-                            return "Please use the Income page rather than having negative expenses.";
+                            switch (_type) {
+                              case ItemType.expense:
+                                return "Please use the Income page.";
+
+                              case ItemType.income:
+                                return "Please use the Expense page.";
+
+                              default:
+                                break;
+                            }
                           }
                           if (double.parse(value) < 0.01) {
                             return "$amountText must be one hundreth (0.01) or higher.";