I have installed and uninstalled so many apps. I just can't find one that does what I'm looking for, without paying an arm and a leg for it.
I sell pajamas. I have a "fleece pajama" collection with numerous different styles of fleece pajamas. I want to say, buy 2 save 10%, buy 3 save 15%, etc. Apps like Hulkapps Tiered Pricing will only give the discount if they buy the same pajama in the collection (2-3 pairs of blue pajamas). The buyer can't mix and match pajamas though and get the discount (2 blue, 1 orange). If they buy 2 blue and 1 orange they only get the discount on the 2 blue, even though they're in the same collection as the orange. Any thoughts?