I have no idea of the cost involved to make the quilt either, but I absolutely love this quilt. I made one for a friend of ours expecting their first grandchild, and my husband is always after me to do these for baby gifts, but I think it probably cost way more than I realize!
I modified mine a bit.
The designs aren't well done, they are extremely dense and I don't believe you CAN stabalize them enough to make them lay flat.