That was fascinating. The time people put in. And money. It's crazy. I am impressed big time.
Cars suck you in though. I had an old Suzuki 4x4 from 85 I went through hell with

rebuilt the gearbox, welded a rollbar, installed a liftkit, and the last year I installed a GTI-engine.
For the money over the years I could have gotten a Jeep limited off roader.
But I had a good time.