Costco customers who need to return merchandise or to exchange it can visit any Costco warehouse for immediate assistance. This retailer offers full refunds on all products. Certain items such as televisions, cellular phones, camcorders, computers, cameras and projectors need to to be returned within 90 days of purchase to be considered for a refund.

Consumers who are unable to visit one of Costco’s worldwide warehouses can call the retail giant’s customer service number for assistance returning the item via United Parcel Service. Having the order number handy will help consumers to quicken the refund or exchange process on these items. Merchandise that is being returned will need to be packaged in the original packing material and taken to the nearest UPS facility for shipment.