+1 for Joplin. You can self-host it. If you do, you can share notes between the users of the server. I wrote a tutorial on how to install it with docker. Should you need it, pm me.

Does your house vibrate when the bells ring?

• if true, you might sue for potential property damage. That should make them think twice. In this case, soundproofing has little effect.
• if not, you might want to invest in better windows and/or window blinds. Neither should be extremly expensive and you can start by soundproofing the room you sleep in.

Fyi, we lived near a noisy main street. After changing the windows we were surprised how little of the traffic we heard.

DevOps or Sys Admin?

Dick Dastardly

Use a custom domain for your important accounts. That way, if you decide you don’t like Proton, you can move to Tuta or a different provider and recreate your addresses there. That way, the only thing you have to change is some DNS records.

I’m currently testing the paid version of tuta and proton.

Regarding the other services, as other said, keep things separate. Personally I use self hosted bitwarden for passwords and Synology drive for well, drive.