I’m trying out Arch on my laptop atm, and tbh the only real advantage (at least for me) is that the packages tend to be a lot fresher than on Debian-based distros. The question is how many of your packages you really need to be that fresh.
I think a lot of Arch users feel like wizards because they connected to the home wifi using the command line, but if you’ve tinkered with (/broken then had to fix lol) other distros, you will have done all this stuff before
+1 for borg + hetzner storage box, though externals do give pretty good value for some uses. I have all my movies/tv on a 6tb external and it would have cost so much more to do it any other way