the goodwill in south central wisconsin seems to always have a lot of fabric. it must be some sort of feeder supply there such as a fabric warehouse or such. since many of us may not live near the goodwill she keeps finding these incredable bargains, you know you can shop at the goodwill online. visit their website at
http://www.shopgoodwill.com/ and shop til you drop. they ship anywhere. if you want to look specifically in wisconsin, then click on the search box at top, click on sellers and chose the wisconsin goodwills. i know the south central one has had plenty of fabric for sale and several vintage sewing machines.