Although the service has been good, I’ve often time question why after buying a coupon from Groupon, that there is an additional $10 cash is required. When is aAlthough the service has been good, I’ve often time question why after buying a coupon from Groupon, that there is an additional $10 cash is required. When is a coupon not a coupon? When you have to pay additional fees on top of the Groupon coupon.