If the note provides for attorney fees if there is a dispute, it may be viable to hire an attorney. Small claims might be better option. Once...

Their requirements are not likely a violation of the agreement.

Get a new attorney first. Yes you can request all those items.

Yes that is ethical when properly done.

This might be a breach of contact. Have an experienced attorney review the union documents.

Consult with experienced debt collection defense attorneys in the state where this occurred for a lawsuit.

When you get a levy you file a claim for exemption. First they must file a lawsuit and get a judgment.

Put together all the paperwork work, such as purchase agreement and warranties and have them reviewed by a local attorney. Use the Avvo search...

Yes, you can sue him. Oral agreements are valid and you can win on proper proof. As with all cases, there are deadlines within which you must file...

They absolutely cannot legally do this. Consult with an attorney who is familiar with Debt Collection Defense and torts.