Most of these are still more survivable than Mars, or would kill anything that lives anywhere in the solar system.
No.
When the sun expands and earth gets too hot, Mars will become just the right temperature for a period on the order of the millions of years. Assuming we haven't already terraformed it by then.
And even when the sun is in full Red Giant mode there will still be a habitable zone, it'll just be further out.
What do you mean "No"?
Did you read and comprehend what you're replying to?
Edit: Removed the other half of my response. I don't event want to go down this route. Others in this tree of comments have done it better.
In fact, Earth will be completely inhospitable to complex life as we know it in just a few hundred million years as the sun matures [0].
Other things that could wipe out the species at any time: - Gamma ray burst - Supernova - Meteors - Supervolcanic events
[0] https://en.wikipedia.org/wiki/Future_of_Earth#:~:text=Once%2....