To add more coal to the fire ! After you bid, at least when I did, you are able to see who won the bid and for how much they will get for it. On most occasions the winning bid went to a company that will be paid less then what I'd have to spend on materials alone! How can you compete with that...
I dumped MFG when I received an e-mail from a company in India that wanted a copy of my prints so they could quote on the job with out signing up and paying the fee. I was a supplier not a buyer and this E-mail was sent to me by accident. I notified MFG of this violation and they never did...