26 Costco Secrets Employees Won’t Tell You

7. Be Alert for a bell ring

Straining your ears for bell rings can get you some shopping benefits. A bell means a new batch is loaded, and you need to be fast to steal the best grab.

6. Don't Rely on Mastercard

Costco Payment Options

Visa card is the only master card that is acceptable in Costco. The retail store may cut a deal to lower transaction fees. You can use a debit card, cash, or mobile payment options, including Google Pay and Apple Pay.

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