Go to StackSocial and sign up for a 1-year Gold Star Membership and Costco will send you a $20 digital Costco Shop Card to ...

Read this before lending someone your Costco card. Here's what you need to know to make sure your membership isn't revoked.

If you prefer to shop in-store at Costco with a credit card, then make sure you have a Visa-backed credit card. Here are CNBC Select's picks for the top credit cards for shopping at Costco.

Costco offers the *Costco Anywhere Visa® Card by Citi (see rates and fees), whereas Walmart offers two cards: the Walmart Rewards Card and the Capital One Walmart Rewards® Mastercard®*.

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Memberships at both Costco and Sam's Club come with plenty of enticing perks, but the former doesn't offer one service that ...

No, they don't have anything to do with products moving around the store, and yes, you need your card every time. Here's what ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...