For a limited time, you can save an additional 40% on more than 2,000 grocery items that are already on clearance. Use the following code when you check out: AUGMKDWN.
I found that I could get items for about the same price as a good sale/coupon in the store. If it is difficult for you to get to the store or you have to drive a long way, this might save you some money.
There are some gluten-free/organic/natural items included as well.