If you just want to do it for fun, and don't plan on competing, there's no reason you can't do it yourself. Personally, my personality dictates that even when I'm doing things for fun, I have to do it right. And his previous owner showed him nationally? I'd be dying to pick her brain. Last summer, I got a chance to take lessons from a top eventer for free. I ride Western, but I jumped on it. If people are offering you help, take it! You'll learn more, and if you really like and want to compete, then you'll know you are doing it right.
"But I can tell you this: When you get to square ten, all of square one will be in it." RayHunt