He probably bought it years ago. It doesn’t mean they’re doing so well now - and he may end up selling the house depending on what happens in the future

SAG requires people to keep working too. I’m not sure how his career has been since DC

But then you would need the VP to go against the pres when they’re probably working together. And one thing you don’t need is another indirect election like the PM one.

Well, Americans have a ton of books and movies w/ alternative scenarios, not to mention real cults. You can try multiple things.

But those other countries have a vote of no confidence in prime ministers, who are not directly elected by the population. Parliamentary systems are different. You have impeachment procedures for specific cases, but that would require most of the Congress not to be complicit.