You know you've put together too many computers when all those points seem to make perfect sense but you wouldnt begin to consider sticking to them
(I've been putting together PC's for the last 12 years or so, quite a few while working for a computerstore)
1. 20 minutes putting together a complete pc (including collecting all parts), although nowadays I tend to take a good hour to replace a mainboard in one of my own pc's
2. That store started out in a tiny building. The showroom was no bigger than the average livingroom, storage/office/assembly/testing was in the kitchen, two assemblystations side by side, elbowing into each other when you were working there together.
3. We did have that, or rather some of those systematic storagesystems for all kinds of screws
4. nevah, fumbling around in the dark whenever we blew a fuse
5. one size fits all (seriously: almost everything you do with computers can be done with a phillips, not sure what size it is)
6. last time I was messing with my gaming pc (swapping mainboard with another pc), i was juggling one pc on my lap, other in front of me on the desk, one mainboard placed on the keyboard, other in my hand
7. actually, there's never glue on a cpu (or there shouldn't be!) what you're referring to probably is the cooling paste, which is sticky but should come off pretty easily. Nowadays, inserting and removing cpu's is easy, in "my day", you actually had to use a bit of force to insert a cpu and use a flat screwdriver to remove it (actually, there were specific tools for the job, but those were always hiding when we needed them so we didn't bother
). I'm talking 486DX2/Pentium60/90 era here.