They allow you to cards if you want to answer me to your account and you still have one car just not being used it doesn't cost you anything but the person has to go into Costcos to get the picture taken and have a car made that is all
Your able to keep two people on your card, then you would have to purchase a new membership. I often check the groupon app because they have membership specials that could cost somewhere around $5-25 for the year and your still able to add another person for free.
You can have two people on your account including yourself without any additional cost. Just go to the service desk with the person you want added. They'll get their own card, but you'll remain the primary and for executive members all purchases by the other person will count towards your annual refund check. Each additional person after that is the same as getting a new membership.
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