I'm very eager to erect our new shed; I do have lots of tools from when I lived on my own and had a full garage. Now we have a tiny shed which we're going to upgrade as part of our garden refurbishment (we have taken out a second mortgage).
The way I see it, it's better to have 1 good tool than 3 average ones. I'm looking at you silicon sealant guns! Of which 3 have bent.
I also think that space plays an important part in tool efficiency and care. If your workspace is too cluttered, it's easy for tools to get covered up and forgotten about, they can get damp and rust, or just get jostled about and damaged. Everything in it's place is a nice thing to adhere to, and then you can keep track and take care of the new expensive tools.
As I said, we have 1 small tool shed and 1 very small tool shed; everything has been squeezed into both and now there's tons of stuff stacked on top of things, they are being stepped on, damaged, and some things you forget you had or can't find them so you buy new, only to find the original tool 6 months later