I like that profiles do not show the total karma count. I feel like that just incentivises mindless posting just to get that counter up (some people love seeing their numbers going up).
I don't think the "hot" sorting algorithm is very good yet. A lot of old posts were showing up (haven't seen those lately, maybe it has been fixed), but the algorithm is still not great.
Would be nice to auto hide posts that I already upvoted or downvoted. That option exists on Reddit
You can still use programming to leverage your current position.
If you work admin in an office and are able to automate a bunch of workflows with some simple scripts, you'll have more leverage when salary raises start to get discussed.
Will your code be at the level a professional programmer would produce? Probably not, but you're not competing with one.
If you don't want to fully host it yourself (which I think it's wise), then it's a good solution.
If privacy is important to you, ProtonMail has a good reputation, but I haven't been keeping up with the latest developments in the area (there might be other providers that suit your needs / budget).
Any infrastructure or communication channels that has taxpayer money involved should be built on FOSS. Not only for security/control, but to avoid vendor lock as well.
On the design side: