Autosaves and backups would eliminate 50% of her problems...

There are different types of lasers (Diode, Alexandrite, Ruby, Nd:YAG) and there is a tech called IPL. The latter is sometimes called laser, too, but some report it's way less effective. It depends on skin tone and hair color. Gray, blonde and red hairs might need Electrolysis instead.

The keyboard position of 3 and 13 implies that one would stare directly at the gap where the monitors meet. I hope nobody does that.

Regarding the dashboards: I don't remember how to do it with the web view, but on mobile you can tap and hold the "Home Assistant" header in the sidebar and you can hide all dashboards you don't want.

I created a single custom dashboard and set it as the only visible one. It doesn't get touched by any update so far, even 2016.1

Absolutely correct.

I always tell our new developers: If your new feature works, you aren't done, you have to check if your code has to be refined first, before checking it in. (e.g. duplicated passages made into a common function, ugly hacks removed and "done properly", stuff like this) Documentation and testing are also mandatory, but that's because of the industry we work in.