Review the regulations for placement of mailboxes.

Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer

No one can predict the outcome of an appeal without further information.

It is very kind of you to assist your friend. Consult with experienced debt collection defense attorneys in the state where this occurred.

File an opposition The reference librarians at the local law library may help point you to the right resources.

If you missed payments they can repossess without notice.

Evaluate if they will sue or is it a bluff.

Note, You must respond in the legal way and on time with, for example a motion or an answer with affirmative defenses. Failure to do so could...

Funds that were exempt and put into another account may be subject to exemption. Yes, with a judgment boats and cars can be levied.

Yes the vehicle is subject to collection. Certain value may be exempt and creditors might not want to go through the steps to do so.