For many shoppers, Costco is a weekend ritual—a place to buy oversized packs of snacks, household goods, and cheap hot dogs. But beneath the surface, Costco operates in ways that surprise even loyal members. From how it makes money to hidden perks, the warehouse giant is more than just pallets and membership cards. Understanding these secrets can help you maximize savings and avoid missing out. Here are six things most people don’t know about Costco.
