Risk-Free 100% Satisfaction Guarantee. On Membership: We will cancel and refund your membership fee in full at any time if you are dissatisfied. On Merchandise: We guarantee your satisfaction on every product we sell, and will refund your purchase price, with the following exceptions: Electronics: Costco will accept returns within 90 days (from the date the member received the merchandise) for …
https://customerservice.costco.com/app/answers/detail/a_id/1191/~/what-is-costcos-return-policy%3F