This is a good thought. $12 might buy the thread. If she truly does not know the value and time, then this would be an education. However, if she gets in a huff, then you will have caught her in the act of trying to take advantage, and that's just not cool.
Originally Posted by hopetoquilt
Take the pattern out, show her the fabric requirements and go on-line to show her the cost of the fabric. Go on a site like thousands of bolts and put all the necessary fabric in the "cart" and show her the total with shipping and tax. Don't forget thread and batting. When she sees that it can cost alot just for the materials, maybe she will understand.