Groupon oftrn has deals. However you have to read the details of deal carefully because there are restrictions.
I don't know if they do have coupons. However, the meals are cheap enough that coupons are not needed to make payments.
Yes, if you join their fan club, your nect visit will ne 10 dollars off. There's also other benefits for being apart from the club.
There's a thing on your receipt where you can get a percentage off you next visit
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