Just last year a friend of mine wanted twin size quilts for her 5 children, I told her I'd charge her for the material's plus 20 for labor and other costs, when I quoted her 75-150 per quilt depending on pattern and quilting, she didn't talk to me for 3 months. Guess she figured I was trying to take her for a ride!
My husband was also very shocked when he first heard me give estimate to people on the material cost of the quilts, to get started before an labor went into them!