Through a partnership with Affirm, the warehouse retail chain will offer a payment plan on some online purchases. The Buy Now ...

This is not a false alarm. Costco now allows its members to use the installment payment app Affirm when checking out on its website.

A recent viral online discussion reveals which Costco products some loyal shoppers say they wouldn’t buy again — and why.

Anyone who wants to add someone to their Costco membership can, so long as they live in the same household. It's the only ...

The new Buy Now, Pay Later option will also charge interest, with APR rates between 10% and 36%. A $500 purchase at 20% APR, with payments spread out across 6 months, for example, will cost $88.27 per ...