Looking at Costco price tags can give you clues as to whether a product is an especially good deal. For example, products with prices ending in .97 indicate that the item is on clearance.
You can use the Costco Anywhere Visa Card to earn cash back when you shop at Costco. It also doubles as your membership card for added convenience.
Costco offers a variety of discounted gift cards you can use to save money at other retailers, and some of the deals are available to non-members.