Shouldnt you give a lower price the more you buy?
1=$0.50 each
5=$3 or $0.60 each
10=$5 or $0.50 each
15=$7 or $0.47 each (hey you went lower here)
20=$10 or $0.50 each (hey back up to same price as 1 each)
25=$13 or $0.52 each (why dont I just buy 1 code 25 times = $12.50)