diff --git a/lib/screens/business_selector_screen.dart b/lib/screens/business_selector_screen.dart
index 7c2d0bb..f504493 100644
--- a/lib/screens/business_selector_screen.dart
+++ b/lib/screens/business_selector_screen.dart
@@ -3,7 +3,9 @@ import "package:provider/provider.dart";
 
 import "../app/app_router.dart";
 import "../app/app_state.dart";
+import "../models/cart.dart";
 import "../services/api.dart";
+import "../services/auth_storage.dart";
 import "../widgets/rescan_button.dart";
 
 class BusinessSelectorScreen extends StatefulWidget {
@@ -172,7 +174,6 @@ class _BusinessSelectorScreenState extends State<BusinessSelectorScreen> {
   }
 
   Widget _buildHeaderBanner(BuildContext context, int? parentBusinessId, String parentName) {
-    const imageBaseUrl = _imageBaseUrl;
     return SizedBox(
       height: 200,
       width: double.infinity,
@@ -255,10 +256,94 @@ class _BusinessSelectorScreenState extends State<BusinessSelectorScreen> {
     );
   }
 
-  void _selectBusiness(BuildContext context, _BusinessItem business, int? parentBusinessId, String? parentBusinessName) {
+  void _selectBusiness(BuildContext context, _BusinessItem business, int? parentBusinessId, String? parentBusinessName) async {
+    // Check if user is logged in and has an existing cart for this business
+    final auth = await AuthStorage.loadAuth();
+    if (auth != null && auth.userId > 0) {
+      try {
+        final existingCart = await Api.getActiveCart(userId: auth.userId);
+        if (existingCart != null && existingCart.hasItems && existingCart.businessId == business.businessId) {
+          // Show existing cart dialog
+          if (!mounted) return;
+          _showExistingCartDialog(existingCart, business, parentBusinessId, parentBusinessName);
+          return;
+        }
+      } catch (e) {
+        // Ignore - proceed without cart check
+      }
+    }
+
+    if (!mounted) return;
+    _proceedToMenu(business, parentBusinessId, parentBusinessName);
+  }
+
+  void _showExistingCartDialog(ActiveCartInfo cart, _BusinessItem business, int? parentBusinessId, String? parentBusinessName) {
+    showDialog(
+      context: context,
+      barrierDismissible: false,
+      builder: (ctx) => AlertDialog(
+        title: const Text("Existing Order Found"),
+        content: Text(
+          "You have ${cart.itemCount} item${cart.itemCount == 1 ? '' : 's'} in your cart at ${cart.businessName}.\n\nWould you like to continue that order or start fresh?",
+        ),
+        actions: [
+          TextButton(
+            onPressed: () async {
+              Navigator.of(ctx).pop();
+              // Abandon the old order and proceed with clean cart
+              try {
+                await Api.abandonOrder(orderId: cart.orderId);
+              } catch (e) {
+                // Ignore - proceed anyway
+              }
+              if (!mounted) return;
+              final appState = context.read<AppState>();
+              appState.clearCart();
+              _proceedToMenu(business, parentBusinessId, parentBusinessName);
+            },
+            child: const Text("Start Fresh"),
+          ),
+          ElevatedButton(
+            onPressed: () {
+              Navigator.of(ctx).pop();
+              // Continue existing order - load cart and go to menu
+              if (!mounted) return;
+              final appState = context.read<AppState>();
+              appState.setBusinessAndServicePoint(
+                cart.businessId,
+                cart.servicePointId,
+                businessName: cart.businessName,
+                servicePointName: cart.servicePointName,
+                parentBusinessId: parentBusinessId,
+                parentBusinessName: parentBusinessName,
+              );
+              appState.setCartOrder(
+                orderId: cart.orderId,
+                orderUuid: cart.orderUuid,
+                itemCount: cart.itemCount,
+              );
+              appState.setOrderType(OrderType.dineIn);
+              Api.setBusinessId(cart.businessId);
+
+              Navigator.of(context).pushReplacementNamed(
+                AppRoutes.menuBrowse,
+                arguments: {
+                  "businessId": cart.businessId,
+                  "servicePointId": cart.servicePointId,
+                },
+              );
+            },
+            child: const Text("Continue Order"),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _proceedToMenu(_BusinessItem business, int? parentBusinessId, String? parentBusinessName) {
     final appState = context.read<AppState>();
 
-    // Clear any existing cart
+    // Clear any existing cart (for different business)
     appState.clearCart();
 
     // Set the selected business and service point (with parent info for back navigation)