There are two kind of self-publishers in the world: the All-In Amazonian, and the Spread-it-Arounder.
I am in the latter camp.
Many of the bestselling books of all time are part of a series—more than one book to tell a more epic tale (think Harry Potter).
The reason for this is obvious.
Self-publishing authors need to worry about a ton of things.
I recently attended the Non-fiction Writers Conference (#NFWC), an online seminar of non-fiction luminaries organized by Stephanie Chandler.