I fly commercially. My experience has been a good one. Firstly, you need your FAA certification. Then you'll need to insure the jobs. I use Verifly. It's worked out great so far, but I haven't needed to test it! You should have a back up though. Until I had one, I tended to only fly on days I was getting paid to so as not to take any chances. I shoot for a variety of clients. Real Estate is the bulk but there are construction companies and roofing companies to events for municipalities.