In the front door ask for the customer service desk choose the plan that you like best the best fits you
Go to the customer service desk at the front door
https://www.costco.com/join-costco.html online or you can go in and talk to the customer service desk, they can help you get a membership.
Go to service desk at the store and they will sign you up.
Enter through the 'exit' of the location and go to the service desk. You can sign up for a membership there.
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