Deciding to get off your butt is the hard part...until you do. Then it's the easy part. Anyone can decide. Now getting something done - that's really the hard part. OP is right on: pick something small and get started. You don't have to quit your job. And here's the tricky part: You have to get something done every day. Something, anything. It doesn't have to be big, it just has to be something. Get one little thing…
Persistence will get you further than intelligence or luck.