Sage advise from Ming Thein on being a professional photographer. His points works with just about any business you may want to start. Link
you must also be wise enough to know when to turn a job away: if it’s a bad creative fit, or there’s too much price negotiation, then walk away.
You can become immobilized by the shear mass of advise in print and on line about how to be a better photographer and how to take better pictures. As in most things lot of the noise falls to the wayside with just a little common sense. Here we are going to explore how to use common sense to make you happy with your art as you explore the world of photography.
I hope the journey is a pleasant one.