That's the thing. You would be working for yourself, not a hired gun there to run a crew on someone else's dime. You would be part time on trees, so the day to day grind isn't the same as a guy who literally wears a saddle 40 hours a week. I'm not the fastest by any stretch of the imagination, and watching videos of guys like Kevin Bingham, Reg, and August here almost make me want to just hang it up, because it looks like you taped a go pro to a squirrel. But I keep doing it, learning each time, and having fun, trying to remind myself that guys of that caliber are that way because they have spent a lifetime working on it and have gifts that I wasn't blessed with. If nothing else, rec climbing would be an amazing workout, and would help the entire situation in the first place. If you want to climb, get some stuff and climb. Most companies around here don't even climb, they all use lifts, to the point where they just turn down the work if they can't get to it. Had a family friend tell me how one of the larger companies here took 3 days trying to get down a tree with a rented wheeled construction lift because it was too tall. So tree work is in your grasp, no matter what, as long as you aren't in 120+ conifers all day every day.