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Costco’s 50th Anniversary Deal Can Drop a New Membership to Just $15

Published on August 13, 2026
Costco’s 50th Anniversary Deal Can Drop a New Membership to Just $15

Costco’s $15 Membership Deal

To snag the discount, you’ll want to purchase your Costco membership of choice through its website. You’ll need to sign up for annual renewal in order to receive the gift card. You’ll also need to be a new Costco member—or someone who hasn’t held a Costco membership in over 18 months—to receive the gift card. The offer is valid for one year of membership, so if you decide to renew, you’ll need to pay the full price going forward.

A Gold Star membership costs $65 annually, and an Executive membership costs $130 annually. After you buy your membership, you’ll be sent a $50 Costco gift card, effectively lowering the price of your membership to $15 or $80, respectively.

Besides the Costco website, you can also find this offer on Groupon and Stack Social. All sites will only offer this deal until Aug. 2.

How to Tell Which Costco Membership Is Right for You

Once you’ve decided to sign up, you’ll need to settle the debate of Gold Star versus Executive membership for your household. The main perk of upgrading to an Executive membership is that you’ll get 2% cash back every year. The price difference between the two membership tiers is $65, which is the amount that most people use to determine if the membership is worth it. To make $65 in cash back in a year, you’ll need to spend around $3,250 at Costco.

Of course, with the StackSocial discount, you’ll effectively be paying an extra $15 to cover the membership upgrade. To make back the difference, you’d only need to spend $750 at Costco over the course of a year—so it’s a good chance to try out the Executive membership if you’re interested.

As for the regular Gold Star membership, doing a bulk grocery run or grabbing gas a few times over the year will easily make you your $15 back. If you’re thinking about making a larger purchase—such as furniture, kitchen appliances, or electronics—then you can easily make your money back in a single trip.

Customers Have Good Things to Say About the Membership Offer

Most customers who have tried the $15 membership deal in the past say it’s well worth it. “Where I live, the savings on gas alone cover the cost of membership if you drive a gas car,” explained one Redditor in a thread discussing the membership deal. Another added, “I probably get my membership back just in allergy meds and vitamins.”

“They got me with that deal back in 2014 and I’m still a member. It’s a good deal. Just be prepared to never leave,” commented another user. You’ve been warned.

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