You know that most of the world's population doesn't tip at all? Given that, it seems kind of strange to assume everyone just knows the appropriate tipping etiquette without being told when getting the coupon or sitting down.
Plus the most active users of groupon are probably doing it to save as much money as possible with coupons. They're unlikely to willingly throw away those savings on massive tips... and from what you hear about frequent groupon users they really don't tip the price pre-coupon.
Plus the most active users of groupon are probably doing it to save as much money as possible with coupons. They're unlikely to willingly throw away those savings on massive tips... and from what you hear about frequent groupon users they really don't tip the price pre-coupon.