Nice to know I am not alone :)
(at this point I am not making quilts to sell, and even if I was, I don't see a problem with using material from a thrift store, as long as the material is not obviously worn out)
These pieces are like new... some are new.. (as in never used, such as the panels and non sheet fabric pieces)
Wish I knew how to test fabric, so I could determine if the ones that did not have labels are 100% cotton