Costco accepts most returns without time limits, though there are some exceptions. Electronics have a 90-day return window. Cigarettes and alcohol may not be returned where it’s against the law. Airline and live performance event items, ticket items, precious metals, Shop Cards and gift cards are not returnable.

Consumers who wish to repair their unit can have a technician do so, or they can be sent a free repair kit that includes a new drain plug and bubble level, depending on the model. They can also get a full or prorated refund, based on the purchase date or the date of the unit's manufacture.