A divorce against your spouse is a divorce. Retain a divorce lawyer ASAP.

You will need to see a local personal injury lawyer.

A $5 gift card sounds like a good settlement. There is simply no way to prove that you did not put it in there. Since you suffered no injuries...

Try another Walmart. Shop elsewhere. This is not a legal matter.

You would need to go to court for a modification.

First, this could be a scam. Second, if you are contacted by the police ask for a lawyer and say nothing.

The only advice any of can give you is to retain a local family law attorney. This is not a DIY project.

Yes you can. Retain a local education lawyer...........

This is a Q&A Forum. You have not asked a question.

Google underage teen scam, then block all communication with them.