<human>:  How can I save money while grocery shopping?
<bot>: One way to save money while grocery shopping is to plan your meals in advance so that you know exactly what you need and don't buy unnecessary items. You can also take advantage of coupons and store loyalty programs, or purchase in bulk if possible. Additionally, try to shop at lower-cost stores and compare prices between different vendors. Lastly, try to avoid over-buying and stick to a list to avoid impulse purchases.