make a living from (doing) (something)
To earn enough money from something or some pursuit that one is able to support oneself on that alone. I can't make a living from my art or anything, but I love doing it and the bit of extra income it provides is certainly appreciated. I never thought I'd make a living from sculpting my own pottery, but it's actually proven to be very lucrative.
make a living from something
and make a living by doing somethingto earn a living from something or by doing something. John makes a living from painting houses. Can you really make a living by selling jewelry?