Odds of Getting In
It's really just about commitment. If you have half a brain, you can do the homework. There are a thousand little trivia things you have to memorize for a variety of exams. You start with a Private Pilot license for VFR then IFR rules. You then upgrade to that of a Commercial Pilot license—basically the same thing but with more picky questions. Then you upgrade to a Certified Flight Instructor license, which gives you the green light to pass your torch flame on to others.