The beloved retailer has boosted its rewards on gas purchases, but mind the spending cap.

Costco members can apply for a credit card that offers several perks including a cash back program on gas purchases.

For those considering a Costco Gold Star Membership, this promotion provides an added reason to sign up now rather than later. Get a 1-year Costco Gold Star Membership + a $20 Digital Costco Shop Card ...

TL;DR: Receive a $20 Digital Costco Shop Card* when you join Costco as a Gold Star Member ($65).

As a long-time Costco member, you learn pretty quickly that it's actually cheaper to be a member than not be one, despite ...