After getting into watching a bit of f1 and doing some real basic karting as a kid, I think it would be quite enjoyable to go learn. When I've been to the track most recently I find myself struggling with driving lines. So used to the late apex we get away with in bike racing that I usually let off the gas too early and accelerate out of the corner too early. Makes for sketchy(and slow!) corners.
My brother is a mechanic for a friend on a Race truck and has dabbled in a bit of wrenching for karts. He just tells me how crazy expensive it is. I already spend enough money on my hobbies