I am 75 this month, so plenty of time just not the energy!
Same for me at 76. Over the decades I have gained considerable knowledge and developed a few skills, but nowadays I'm prepared to pay somebody else to do a lot of the work. I'm still able to (and enjoy) doing the annual application of ACF50 between the body panels, using an artist's brush - squirt enough from an aerosol
https://www.ebay.co.uk/itm/336739962235 ino a small jar (e.g. yougurt pot) or buy a squeezy bottle of the stuff and decant enough for the job. You'll be pleasantly surprised that a lot of unidentifiable squeaks disappear.
