The Costco Anywhere Visa by Citi is the only credit card accepted for purchases inside Costco warehouses — making it not merely a rewards optimization tool but the required payment instrument for the member who wants to use a credit card rather than a debit card or cash for warehouse purchases. The card has no annual fee beyond the Costco membership itself, making its rewards structure entirely incremental to the membership's existing value. The specific annual cash back pote

Costco warehouses accept exactly one type of credit card: Visa. Not American Express. Not Mastercard. Not Discover. Visa only — a contractual arrangement that has been in place since 2016 and that makes the Costco Anywhere Visa Card by Citi the only co-branded credit card option for members who want Costco-specific rewards while shopping at the warehouse. The card has no annual fee of its own — the requirement is an active Costco membership, which members already pay. It doub