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 ...

Do you love Costco but have always been nervous to return anything? Don't worry, the warehouse's policy is quite simple.

Costco loyalists can rack up some nice rewards with this card, but you'll only be able to redeem them once a year — and you'll have to go to a physical Costco store to do it.

We think joining Costco online is more streamlined than signing up in person. While our deal is only valid for new members or those with cards that have expired for over 18 months, this is all you ...

One quirk about this card: You earn an annual reward certificate once a year, and it's only redeemable at a U.S. Costco Warehouse. You can redeem the certificate for purchases at Costco ...

Take into account that Costco only accepts Visa credit cards in person, but you can pay with a few other credit cards online.