Food and meals
Split a grocery list between two stores
A cheaper basket can become an expensive errand if it adds a long detour. Compare the list against prices and travel details you can verify.
What to check in the reply
Check unit sizes before comparing prices. A larger pack is only useful if you can carry it and use it. The assistant should show which prices came from your list and leave missing prices unknown. Opening hours, current stock and promotions need a fresh check with the stores. Include the cost of any bus fare or delivery fee.
The next step
Ask for one list in shopping order, then remove optional purchases before leaving. If you want a single-store fallback, name the shop you would choose. Keep the price comparison separate from an order; a written basket does not mean anything has been purchased or reserved.