RE: trainee etiquette
I have found that it is best to have the student supply at least his own plane, radio and fuel. This way he has a better feel for his investment. All the support stuff comes in time. Now I've trained plenty of people on my own planes and on the clubs trainer. Not a single person who soloed on the clubs dime stayed in the hobby, no investment, and only about 1/4 of the ones using my plane stayed, I made them buy fuel to fly my plane. I'd always take free fuel. But I'm going to fly it not a student. It's a good idea though.