You can sue them for a trillion dollars. But only your lawyer can tell you what is a reasonable amount to sue for, and what you can expect.

This is awful. I don't think there is anything wrong with him doing this, but speak to the DA prosecuting him or your victim's liaison.

No. What the heck is wrong with people?

If the case is settled, that means it is over.

Unfortunately, this is permissible and probably necessary.

Until you move you are entitled to heat and electricity.

With the caveat that anyone "can" sue anyone for anything, I think he would have little chance of winning.

The answer to both of your questions is no. You should at least consult with a local attorney to make sure your rights are protected. Appeals are...

You will need a mechanic to certify that what they did caused the engine to seize.

The cops won't get involved. This is purely a civil dispute.