I don't know about anyone else with large amounts of fabric to sell but I can speak for a friend who does not post on this board, but who inherited a huge amount of fabric from a relative who had a custom sewing business and apparently routinely bought out fabric stores going out of business. She was only able to rescue a couple trailer loads of the fabric and some of the sewing machines. Most of the fabric was on the original bolts. She sold most of it in a series of sales at anywhere from $1 a yard on up to much more for the silks and fur.
She still has a couple of armoires (sp) full but most of the 'good stuff has sold.