We didn't do a flat redcard prize system. Without giving my store away, we did something like
get 1 card, get x prize
get 2 cards, get y prize
get 3 cards, get z prize
get 4-6 cards, get x+y
get 7-9 cards, get y+z
get 10+ cards, get x+y+z
This was WEEKLY, not daily. People have bad days. Some...