I think what you are asking is if we quilters think cutting out fabrics in different shapes for applique would be a good and viable business idea? It could, but the problem I foresee is that most quilters might want shapes cut of specific fabrics that go with their quilt. For instance, you might cut out thousands of oak leaves, but if the fabrics you picked don't go with my quilt, then I wouldn't buy them.
Having said that, there IS a market of sorts out there for precut shapes. John Flynn has laser-cut quilt kits for sale, they feature pre-cut fabrics and all you have to do is sew it up. As long as you like the fabrics Flynn has picked out, you're good to go.
http://flynnquilt.danemcoweb.com/sho.../pre-cut-kits/
Keepsake Quilting sells groups of pre-cut shapes, including hearts, teddy bears, holiday shapes, etc.
http://www.keepsakequilting.com/prod....L1/Shapes.htm