Pierre,
First, let me say welcome! RC is a wonderful hobby and should bring you great times.

I agree with what's been said so far. The Kadet is a good trainer, and the price this man is asking seems okay.

As someone else mentioned, most people in RC are pretty nice. IF he talked with you about this equipment in front of other club members, I'd say it's okay.

Good luck, and let us know how it goes.
Dennis-