11 Costco purchases that make your membership virtually free

Mike Mozart/Flickr Shopping at warehouse club stores comes at a price: Costco's basic Gold Star membership costs $55 (and will go up to $60 on June 1) and a basic Sam's Club membership costs $45. But with the savings from various products and services, there are plenty of ways to make back the fee while enjoying the perks of membership. Pizza Shutterstock It takes less than one pizza a month for the savings to make up the cost of a warehouse club membership. At Domino’s, a 16-inch Brooklyn-sty...