The lower fee appears to be a breach. As to Unconscionability, more information would be needed.

Sounds like a scam. Check the court records where they claim the lawsuit was filed.

It’s a stylistic preference. Use of “Petitioner” might read better.

Contact the State Bar with your concerns.

Failure to appear gives the court a right to go forward. Consult with an experienced criminal defense and appeals attorney.

Hire a new attorney. Consult with an experienced attorney. Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer

Client confidential information must not be disclosed.

If you can locate the seller, a lawsuit for fraud brought where they live may convince them to cooperate.

You can garnish all bank accounts owned by the debtor. You cannot levy people or entities the debtor is paying.

You will need to file a lawsuit for the debt.