What sources of supplemental income should I investigate ?

I've been doing the online surveys thing the last few days. It really does pay like shit. You can be happy to earn 1 buck an hour, apparently. But I did notice it keeps my mind of my pain issues (I have serious back related issues) and it's something I can do lying down, standing or sitting. Which is excellent, because I can't do either one of those, for longer than 30 minutes. So now I'm wondering, if there might be other stuff, I should be looking into, that's also possible with this nasty handicap I've got. I'm an older neet, but I use to do a lot of technical stuff, before I became disabled. So I know I'm able to learn complicated stuff, pretty fast, from back in those days. Sad thing is that no boss will hire you, if you need to lay down or sit, every 30 minutes. Anyone doing some side hustle, I could do, with my crippled ass, that I should look into ?