I was also chllengd by the differences and the pricing, so-o-o-o-o-o-o-o I make my own.
1. I use my own bright white cotton cloth
2. I iron it onto a piece of freezer paper
3. cut it the size of 8 1/2 x 11
3. put it in the printer and print it out ( cloth side down for my printer)
4. Remove the paper immediately
5. Works like a charm