As I am starting out from scratch, I am quickly discovering that my tool kit is wanting.

I have plumbing tools, tools for carpentry, I can correctly strip and rebuild a car engine, I can work on electrical systems, weld, build solid stone masonry.....
...but I can’t strip a bicycle down 100% without damaging it.

What special tools should I have, for example, to strip down a 90s steel mountain bike with the usual Shimano stuff?

I wish to build my own wheels, I wish to strip and swap and clean and fettle, take apart just to see what is in there.....

So please, share your knowledge, photos, homemade rigs (I have no trustworthy frame stand yet), and those few tools that one cannot be a bike mechanic without.

thanks!