Kotahsmom,
As a parent, you want to provide the best training in any sport for your son or daughter, I know we do. But I believe you should leave that decision up to your child. Talk to him, make sure he what he wants to do. Our son has practiced up to five days a week, with three different coaches. He wrestles 10 & U, and he has made a decision that wrestling is his sport. During off season he plays soccer or baseball, but continues to wrestle. This something that he decides, we just have provided the avenues for him to persue his goals. Be supportive. As for tournaments, I have heard the same thing that your father has, and have asked my son, he says that it's not that they don't listen, they can't hear a coach, but they will follow wrestling jesters from their coach when they look at them for guidence. A wrestler ultimately decides what he is going to do however, and the more experience they get the more instinctive it gets for them. My advice is to talk with your child and make the decisions together.
Hope this helps.
Ginny Wagh
KCWC