What can I do to better my chances of becoming a professional golfer.?

Brett, 99% of PGA professionals have swing coaches who the consult with on a regular basis. Tiger Woods said in his book that one shoud have a teaching professional to work on their game with. You have done well on your own, but if you want to reach the highest level, then it is in your best interest to seek out a professional. The greatest golfers in history had someone helping them with their game. It is nice to see a youngster who is pionate about something so good.