If you can't decide which membership to invest in, Costco versus Sam's Club, this one limited-time food court freebie may ...

TL;DR: Sign up for a 1-Year Costco Gold Star Membership for $65 and get a $20 Digital Costco Shop card to spend however you want. Where do you shop for groceries? How about clothes? Electronics?

This is a promotion from StackSocial. To get a $20 digital Costco gift card for free, all you need to do is purchase a Gold Star membership. The offer is only available at stores in the United ...