I do this as well. I am also the one who ends up with other people's scraps. I love Bonnie Hunter's site and am going through, trying to organize my fabrics. I am making quilts for family members this year, and every one of them is coming from my stash. I don't use sheets for backing, as I get my backing fabric (really wide, can't remember the width) for 5.99 or 6.99 a yard.