RE: Vendors
$40,000 in three years! Yowzer! Though you could easily do that with four or five well appointed 40% jobs.
Course, you can spend that fast with Desert Aircraft. ;-) Lovely toys there. My first motorcycle had a midsize r/c engine judging by their offerings.
Chief is one of my favorites, and they also sell Smart-Fly products and, for some reason, see to stock-out less(?)
My LHS will always beat Tower . . . if you ask them. 'Course, most of the guys I know don't ask in most cases, especially on the small stuff. We don't want to kill the laying hen.