Get Cashback Easily
- Join for FREE with an email and password
- Click the "Start Shopping" button or choose a coupon
- Cash back will be added to your Extrabux account!
Costco Cash Back Detail
Cashback is only for new membership sign-ups. Cashback on products are currently not supported.
Valid only for nonmembers for their first year of membership. Limit one per household. Nontransferable and may not be combined with any other promotion.
You must join in person with a Costco representative. New members will receive their Costco Shop Card by mail in 4 to 6 weeks.
Costco Shop Cards are not redeemable for cash, except where required by law.
A Costco membership is $60 a year. An Executive Membership is an additional $60 upgrade fee a year. Each membership includes one free Household Card. May be subject to sales tax.
Costco accepts all Visa cards, as well as cash, checks, debit/ATM cards, EBT and Costco Shop Cards. Departments and product selection may vary.
Use of coupon/promotional codes not listed on Extrabux may void Cash Back.
Do make sure your shopping cart is empty when you click through to the store from Extrabux.
Receive a $20 Costco Shop Card Costco Membership Activation Certificate Exclusive Promotion @Costco
- urchase a Costco Membership Activation Certificate to join as a new member and receive a Costco Shop Card.
- Gold Star Members receive a $10 Costco Shop Card
- Gold Star Executive Members receive a $20 Costco Shop Card
- Price may be changed without notice.