Buy bulk food for the best in food savings. Large bulk distributors like Sam's or Costco can help on unit costs, but be sure it is the bulk that is the savings. Often these store will offer a twenty pack of something that is packaged from the regular store portions/packaging and these offerings will not beat what you can find in a grocery store on an individual basis. Also, taking advantage of grocery store lost leaders, and stocking up is a buy bulk food stratgey. The biggest challenge is space but if one is creative with closets, bedrooms, and garages, buy bulk food can have significant savings.