We do a Gulfstream IV.
24' up to the tail, and then you get to polish the aluminum leading edge UPSIDEDOWN! Wear a safety harness (hooked to the ceiling) while you work a lift that only allows you to reach 5' in either direction, b/4 you have to unhook,go down, restabilize,move 8 feet, go back up, rehook, buff some more. Repeat. Repeat.
Good money, but real hard work, wiith a low level of gratification.
Insurance is the A/C owner responsibility... but you must be a NAMED INSURED!!!!!!
My client explains it quite simply: "Anything you break costs a minimum of $50,000."
Don't get me started on landing gear...
Here's the point: To me, most cars are fun, manageable, and fun to work on. Not rocket science (when you have the proper products, procedures, and tools._
We have found that we should NOT stray too far from our 'core competence' of detailing automobiles.
Please read that last sentence again.
If you are really in search of ANY business, then go for it, but I'm going to back off from Planes, BOATS, and Motor Homes.
I praise the Lord - I have enough 'regular' business to either reject, or overquote those 'other jobs".
Find a focal point; and focus!
Jim