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.

Costco has issued multiple urgent recalls covering electronics, household items, and consumables due to safety hazards ranging from fire risk to bacterial contamination. Anker power banks (models A1257 and A1263) are being recalled over overheating and fire risks tied to defective lithium-ion batteries.