I understand your dilemma. Since I don't rely on the teaching for my full-time income, I'm able to make the choices I've made. I teach guitar one afternoon a week. I have five slots one after the other, although right now I've got one opening if anyone's looking for lessons in Toronto!
The teaching adds a solid bit of income to my performing income, which of course is up and down. At some point I may decide to teach a little bit more, but for now this is what suits me.
And beginning guitar students are by far the MOST rewarding!