Costco’s top executive is warning customers that a big change is on the horizon. The president and chief executive officer ...

If an item you purchased goes on sale within 30 days, Costco will refund the difference. No need to haul the item back — just bring your receipt to the customer service desk. Costco doesn’t ...

Whether you're a current Costco member or want to buy an annual membership at the wholesale club, here's what you should know ...