It is difficult to make a living from it but that depends on where you live and how much you can charge in your area. Most homeopaths do it because it is something they want to do, because they believe in it and wish to help people. The way to build up a practice is by recommendation and this will naturally take a while to happen.
I left my reasonably well paid job for homeopathy and don't regret it at all. It is called a better quality of life and positive feedback that is received from patients. I have to say that I don't have the commitments that I did - my kids have left home and have their own jobs - so my decision to quit my other job was made easier.

The main qualities you need are 1) to be an impartial observer 2) a good listener 3) as GM says - truthful,
4) willing to work all hours 5) and realise that you never stop learning!