But on his own, self-publishing, Joe could earn 70% royalty rates. Instead of earning $2.50 on a Gatekeeper published $25 hardcover, Joe could earn $4.50 on a $14 trade paperback if he did it himself. Instead of earning $1.75 on a Gatekeeper published $9.99 ebook, Joe could earn $2.04 on a self-pubbed $2.99 ebook.