Manuls aren't super hard, but there's definitely a learning curve you can't avoid. Since you'll be in a new country you'll have enough going on and don't want to add to any stress, I would really recommend renting an automatic.
Would you be able to post some more details? Are you using Wifi or cellular data? When your phone fails is there a specific error message? Could you post the jellyfin log where you see the attempts? Are the macbook and appletv using wifi or ethernet?
So I appreciate some outside the box thinking. But this just reeks of techbros invent trees but worse.
Most of the considerations below seem to think trees and cars are natural enemies, I would argue we reduce cars instead.
It's my right as an American to not have extra 'U's in my words and you're infringing on it!