

I can’t answer many of the questions here, but I can help a little with two:
If you’re worried about noise, don’t get ironwolf drives. I just did and they’re noisy af. I brought some sound absorbing foam to put around the place where I keep my NAS, because they’re so much louder than I expected.
Don’t open up a port in your network.
Use something like tailscale to connect your devices to your home network, or rent an VPS to run a secure tunnel using pangolin (you’ll need to look into bandwidth limits).




On CloudFlare, user224.com renews annually at less than $11
That’s where I got my domain (I was using them at the time, but it doesn’t matter), for that price, and that includes whois privacy.