A lawsuit will cost you more than you think you are owed.

You may have grounds to sue him depending on all the facts.

This is not a legal issue. You can express your concerns or you can wait until 4.

Unfortunately our options are limited. You can pay off the car and sue your brother allow the car to be repossessed or file bankruptcy.

Your question makes no sense as written.

This is a Q&A forum. you have not asked a question.

Can they sue? yes. Will they win? I don't think they have a case.

I think you already know the answer to this.

In all of this, I am not sure what your question is. Yes, Walmart can ban you. If you are charged, hire a lawyer.

They could, although there are certainly reasons not to