Categories Articles Costco still has 3 ways to shop without a membership even as the retailer cracks down on card-sharing — but the math still favors paying the fee Post author By crystalg Post date July 5, 2023 Business Insider Business Insider… Tags &mdash, cardsharing, Costco, cracks, Down, Even, favors, Math, membership, Paying, Retailer, Shop, Still, Ways, without