First purchase a domain. Cloudflare is definitely the cheapest but there are other options out there if you don't want to use Cloudflare.
Use an alias service like SimpleLogin or addy.io. addy.io has a cheaper 'lite' (limited) plan, SL has a cheaper 'premium' (unlimited) plan.
My Prowler stats over the last 90 days are ~1600 usenet grabs vs ~40 torrents. Definitely worth it not have to seed and constant gigabit speed.
I have run Jellyfin for about 3 years. Plex has a lot of community support and praise so I spun up a test instance. Unfortunately for Jellyfin, Plex is much most reliable for me in pretty much every way. I would love for Jellyfin to keep improving but the switch to Plex just made the media experience so much nicer.
The tiers are vulnerable, weak and strong. Change the vulnerable ones first then the weak passwords
Proton defines Strong as at least 75 bits of entropy and over 100 bits is recommended. May have soemthing to do with that
You can but you don't need to. All they really do is organise everything. Any requests go through Prowlarr/Jackett which do the API calls then push that to qBit. One could argue you should put Prowlarr behind a VPN as well but it depends on the trackers you have in there.
This isn't true. I used a debit card from a different country and it worked fine.
And a lesson to all as to why backups are essential.
There is with Purelymail. And it's only $10/year.
Have you tried using Calibre with Readarr? You use Readarr and the request tool then you can tell Readarr to use Calibre to manipulate the library. I find that this does a fantastic job of sorting out all of my ebooks with all their editions and naming conventions.
They both will automatically create an address on-the-fly. Give a service whatever@domain.tld and it will automatically be generated and sent to your mailbox of choice.