Being paid as a writer.
. I wonder what if feels like to read the words "Dear Mr. Place, we are interested in publishing your book," and not to read the words "You will need to pay $1,500 for the process?
That is the trouble with being an independent, and unknown, writer; the only offers you get are from vanity press publishers disqus.com/home/discussion/channel-indieworld/and_again_it_happens/# asking for money. If you have paid for publication. If you have paid them what incentive do they have to help your book sell?
The kicker here is that they expect you, as the writer, to publicize the book.
Publishing 101 - A genuine publisher will NOT ask for money, they get their fees from sales of the books.