T.B.
Sam's Club is good if you don't mind buying in bulk. You can try Aldi for some things. It is an "off brand" store. And have you checked out Angel Food Ministries? The food is an awesome deal and highest quality. My mother did it for a while when my brother was at home. We've eaten some of the steaks and my husband said they are some of the best he's had! The catch is that you have to order their packages, pay up front, and be available to pick up when the food is delivered. Check it out:
http://www.angelfoodministries.com/
You don't need to apply or qualify. It is open to everyone.