Picture indulgence, and olive oil represents ... the same amount. Costco customers were thrilled to find it retailing on the chain's shelves for a fraction of the usual price.

Costco recently lowered the prices of some shelf-stable and fresh grocery products. Understanding the store's pricing labels can help you score better deals. Using the right credit cards could offset ...

Second, Costco prices can vary by store location ... And while aluminum foil and olive oil are staple items for a lot of people, those may be just two items of many you buy regularly.