you know, when I started taking agility classes, it was just for fun, just to see what would happen, wasn't anticipating on actually competing with my dog. I'd say find a class and see where things go. It's really the best way to safely introduce your dog to obstacles. Of course now, 12 years later I'm sort of a basenji-agility junkie. So, it can be addicting.
My hubby also enjoys building agility equipment, even bought and learned to use a welder.