Theoretically you could build a male to male contraption from multiple adapters and a cable. Also you could be providing too much current to a device, however this is specific to the combination of adapter, cable and power supply you use.

Yes, as the semantic of words is context dependent.

I can't quite figure out what would be the use cases where bcache would excel, except for hdds without cache or systems with very limited ram. Can you help me out with that?

Hmm the prices on eBay really don't seem that good to me in comparison to newer generations. I guess the power consumption will eat up any savings pretty quickly. Though this might differ for whole sets.

The wm3 does not need software for the analysis.

What do you need a dedicated GPU in school for?

That's a bad comparison. Without a lock you can just open the door from the outside.

Is there glassware with lids that closes well enough to transport it?

If you rent a VPS that might get you kicked, so check your terms first.

You can impregnate cardboard to make it somewhat waterproof, so I'd guess rain is not an issue.

The image fails to load for me, any mirror?

You're having way too many thoughts about this. I'll give you a simple choice: It's either Xubuntu or Linux Mint.

Simply choose by which one looks better to you. Done.

In a year you can look back at your post and decide again if there is anything you want to change or you're in dire need of a Linux hobby and Gentoo is all you've ever been looking for.