Music scrobbling solves that issue for me. Navidrome integrates well with for example last.fm. In addition to having my music listening history there one can find recommendations based on their music taste
torrenting over tor would be exhaustive for the onions.
Aurora Store works like a charm without ads or tracking.
the most useful extensions for android firefox - ublock origin, there is already (and many more). Also, mozilla is working on bringing all desktop add-ons to mobile and everyone can contribute.
don't recommend manjaro. instead - vanilla arch or endeavour os
It's funny that recently NetworkChuck uploaded video about darkweb where he installed tor on windows and now apparently many folks did the same.
Actually it's pretty easy. You can import from gmail much more than just mails but also setup fowarding new gmail mails to proton.
I'm not sure if using Librewolf on desktop or Mull on mobile counts but they are pretty good hardened forks of Firefox.
Firefox is great but the downside is that it isn't as private as browsers I've mentioned by default. Still, it is solid choice from privacy perspective.