The odds of your making a living performing your own material are small, vanishingly small. But there are a lot of ways to make a living in music. If you do succeed at the singer-songwriter path using the tips listed in the other answers, mazel tov. In the likelihood that the singer-songwriter-musicia
I have one friend who’s a full-time professional singer-songwriter, touring on the lesbian folk circuit. She puts out albums once in a while but those aren’t a major source of revenue; they seem mostly to serve as souvenirs from her gigs. She supplements her touring income with some freelance non-musical work around the sides. Her life is possible because a) she’s just unbelievably good at what she does, b) she’s well-connected to a warm circle of fellow singer-songwriters who form a mutually supportive scene, and c) she doesn’t mind living on the road for long spans of time. I did a little light touring with a band that she was also in, and it just killed me. I couldn’t take it, even for a few days at a time. I need to be close to home. So no touring musician life for me.