And just as the connection between buffalo wings and football is inextricable, so is the relationship between snack foods and America's biggest warehouse store, Costco. In celebration of America's #1 sports holiday, our team at FinanceBuzz went on nationwide search to find the ultimate Costco fan to rate and review Costco's gameday foods. Because we love saving money for shoppers, we wanted an expert to figure out what Costco items were best for a gameday party and which were better left on the shelf.