An upgraded warehouse club membership could put cash in your pocket. But should you choose Costco or Sam's Club? Read on to find out.

For just $130, not only do you get a year of exclusive Costco goodness, but you’ll also receive a $45 digital Costco Shop Card.

The warehouse store chain's Gold Star Membership normally retails for $65. For the next few weeks, shoppers can purchase a 12-month membership through affiliate marketer StackSocial and receive a $45 Costco gift card, effectively reducing their annual rate to $20 for their first year.

Costco's Executive membership is the store's most popular membership option. But read on to learn about some of its drawbacks.

Right now, Costco is running a limited-time deal through Stack Social that’s so incredible, one shopper said it seemed “too good to be true.” While you’ll still have to sh