How to redeem Costco cash back?
Costco Shop Card is not a valid method of payment. Costco Shop Card cannot by utilized as a method of payment for Same-day delivery that is powered through Instacart orders. A list of acceptable methods of payment can be found here.You can redeem your digital or physical Costco Shop Card at any Costco located in of the United States, Canada or Puerto Rico or online at Costco.com or Costco.ca. Costco Shop Cards are not redeemable at a mobile kiosk at the Costco warehouse.