Played eight holes when it started raining. Waited out the rain and was ready to resume play when they said they were closing the course. They refused to give us a rain check. Said that they receive no money from Groupon and that we needed to go through Groupon to get refunded. I tried to explain to the guy at the counter that they do get refunded from Groupon. I asked him if he thought that we were playing for free but he just got this confused look on his face.