If you were 18 you could join USEF and get liability for about $50. There is a lot more to teaching that most realize. I've attended clinics of fine trainers whose horses do well in their disclipline, but whose teaching skills were abhorent. My younger son was brilliant with programming a computer but his enthusiasm prevented him for being able to teach it. There's a market for working with horses that the owners have unwittingly ruined. Too many women want Precious to love them and that's where their downfall begins.