If the books are selling, the money will follow.
Larry Kirshbaum
I self-published my first nonfiction book in 2015 and have gone on to write 12 books. It wasn't until 2023, and have done over 100 campaigns of varying lengths.
This isn't about getting rich quickly, but rather, it's about building an income and thriving business as a writer. Which is an ongoing daily battle in itself, but that's a different story for another day.