Bought a Groupon nothing on Groupon or Speedway si...

Bought a Groupon nothing on Groupon or Speedway site says how to redeem, at place no signs, so i wait in ticket line 15 mins only to be told i have to wait in will call. SAME BUILDING NEXT WINDOW! Another 15 mins. I would have settled for notebook paper taped to a pole. I go to use the go cart coupon and man tells me it will be hours wait because they only use 4 carts = 4 people every 30 mins. So i don't get to go cart cause id like to at least see 1 race. Many people were leaving the line just like us, feeling ripped off. Very poor management. Over heard many people saying they waiting in wrong line as well.