Don’t quit your job before you have a book deal. Very sensible advice that I spectacularly failed to follow. I left my job as a literary agent and stepped into the terrifying world of no salary, no professional support and no real hope of achieving what I was setting out to achieve. It was a very rocky ride.
Do join a writing group – they will keep you sane, help you to stay on track, and remind you that there are other people in the world crazy enough to be battling all day with words on paper.