You are an inspiration! 70 is a milestone in the aging process and great to hear about people who have some passion and enthusiasm. So easy to just say ok Im 70 so I should stop doing challenging stuff and sit on my ass! I would rather take my vehicle to seasoned pro who has seen a lot.
Like your style bro!
I am still very active and because I pick and choose what I want to do, I am not under a gun to finish by a certain time. I work at my own speed and dictate the parts used. I do as much as I can on my girl's 2 trucks, 1990 K2500 xcab 130k miles Silverado and her 2002 74k miles TrailBlazer and my own 2005 166k miles Z71 Tahoe. The other vehicles I work on are in the neighborhood and at my American Legion and VFW.
When working, I take breaks as needed or wanted. Keeps me sharp and I really don't wake up stiff or limp around. I see ads all over for experienced techs but I am not gonna have some guy/girl on my back. If I don't want to work, any day, I don't.