That means we guarantee both your membership and our products with a refund†, if they don’t. The flip side is that the items on offer, including promotional. If you’re a member, enter the membership number found on your membership card.
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You’re now ready to start shopping! To search for a product online at costco.com, enter a keyword or an item number into the search engine at the top. You can obtain your new membership cards by visiting the membership counter of your local costco.
Welcome to the costco customer service page.
Welcome to the costco customer service page. Please be advised that registering to shop online at costco.com is not an application. If the item you’re seeking is in stock and available for purchase, your search. Please keep in mind that the costco double guarantee applies to all membership levels.
Maintaining an active costco membership doesn’t automatically. Welcome to the costco customer service page.
