Anything in particular you don’t like about Firefox?

Try linode, i used to use them in a past and it was faultless.

Keep an eye on black friday deals, they are usually the best around. You may get lifetime deals on the cheap from indexers, cheap blocks/subs from server providers. It’s a steep, but rewarding learning curve. Can’t help you with Italian content though.

Loads of good choices here, i would like to add calibre and darktable.

Immutable devices surely will have their use, but i love the freedom that comes with Linux. I’m using Debian and Ubuntu on all my machines and VMs