Simply enter the doors tell the greeter at the door to point out customer service where you go to to apply for your membership.
And there is frequently a coupon similar to what groupon offers that comes in the mail with an envelope full of coupons.
It's best to go on Groupon because they offer you the best deal along with a bonus of freebies as well.
I got mine at the store. Just walk in the store near you. And ask them. They will send you to the service desk. You will have to pay. Sorry I forgot how much.
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