It is common for people who have done well in the self - publishing industry to get traditional book deals for their following books. (readersfavorite.com)
A lot of this material is relevant to writers wanting traditional book deals too, so stay tuned if that's you. (pagetwostrategies.com)
Some small presses, in addition to offering traditional book deals that work on a traditional model, also have a separate plan where authors have to pay. (janefriedman.com)