Personal finance gurus and TikTok users are sharing a shopping hack that reportedly allows non-members of Costco Wholesale to make purchases without signing up and paying for an annual membership fee.

Gift cards are ideal for hackers since they can easily be redeemed or sold without sharing personally identifiable data.

Anyone who has a Costco membership knows that it is pure gold. You’re either getting bulk items on a deep discount or discovering new foods you otherwise wouldn’t have—yes, I’m talking about their ...