WDP099: Earning an income writing martial arts and self-defense books

I got a lot of questions after episode 95 https://wimsblog.com/95 on different ways to earn a living with martial arts and self-defense. So instead of answering those questions in private messages, I'll do a few episodes giving more detail. There are lots of links in the show notes, so go here to find them all: https://wimsblog.com/99