Costco quietly updated its co-branded credit card terms, with potential cost implications for members.

Costco has started letting U.S. customers pay for large online purchases with buy now, pay later through a new partnership with Affirm. The new online payment option for U.S. Costco customers was ...

Before you start planning for cheaper steaks, affordable gas, and all of Costco's famous staples that taste homemade, you should know about a major payment rule when shopping at the store. While the ...

This is not a false alarm. Costco now allows its members to use the installment payment app Affirm when checking out on its website. This news might shock some loyal Costco shoppers, because the brand ...

Are you a Costco devotee? The discount warehouse only accepts Visa, so we've picked the best cards to make the most of your ...