Grocery outlets sell quality items - although some are close to the expiration date or slightly post-dated.. And some products are slightly damaged or may be packaged with expired marketing campaigns.
Co-ops like Weaver's Way offer exceptional values because they're owned and run by their members.. Discount chains like Food Basics offer bargain-basement prices by lowering their operating costs by eliminating things like service delis and bakeries that are expensive to maintain.
Here's a list of inexpensive grocery options:
Amelia's Grocery Outlet
Angel Food Ministries