You buy lots of perishable goods
Non-perishable products are cheaper when purchased in bulk, Millstein says. But if your refrigerator is full of fresh fruits and vegetables, Costco membership may not be the biggest bang for your money. “If you won’t be able to eat everything in a large package before it reaches its expiration date, you’ll end up throwing some of the food away,” Rossi says. In the long run, all those large strawberry tubes could become pricey if they end up in the trash on a regular basis.
