Call them and return them.
You can returned and they will track the number or name of the person.
Call immediately have them come pick it up
Return it, it's not yours
Contact Costco or return it to customer service
You shouldn't have accepted the order from the first place. Now you should call them and they will arrange a delivery to pick them up.
Take it to nearest Costco store service department
Yes call and return the item
Send back.
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