Check out this link: Click here
And here is another article I have found: Click here
To be honest, the only reason St. Martins wants a contract with her is to get a big chunk of her money. That's it. I congratulate her and all, but if it wasn't for her self-publishing and getting all her money by herself first, St. Martins would've passed her up...and quick.
People want to sign on with a publisher so they won't have to worry about all the marketing. Personally, marketing is the fun part (hence the title). If it wasn't for me self-publishing and marketing, I wouldn't have met some of my good friends on Facebook, Blogs, Goodreads, etc. Authors and readers alike. And guess what: by marketing myself, I don't have to pay anyone 15% of my profits. It's free!
Yes, you might not go on tour all over the country or in others (which is a cool part about being an author), but at least you have all the control, all rights, a bigger salary than published authors (if/when you make it big), and a great feeling of accomplishment :)
It takes awhile to market your book and make it as big as Amanda, but it's not hard.
I know, when I make it to that point, I will always be able to say that I wasn't just placed on the best-selling list, I worked hard and made it there myself.