They can purchased on line. If in NC go to any State Employees Credit Union they can be purchased at 30 which is a discounted price
I'm not sure, my sister Tania De Los Santos is the expert. I'm just a clumsy and crumsy amateur.
Or online.. If you go with a couple you can save money with Groupon app, or their direct app
Either on line or at the gate when you go.
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