yea, and if the students get a little in over their heads you know where they're brining their screw ups /ubbthreads/images/graemlins/smile.gif
Along the same lines, I've developed quite a friendship with my mechanic, and he'll happily lend me tools, teach me how to do jobs, etc. He probably looses a sale here and there by teaching me how to do it, but you better believe I've become a very loyal customer and give him very enthusiastic referals. It all comes around.....