You're already a savvy shopper if you're a Costco member. But find out how using the right credit card can maximize your ...

Your Costco Shop Card will be emailed within two weeks after sign-up to qualifying members. A physical membership card is not required to shop online or receive your included gift card.

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.