Ethics or legal issue if the plaintiff's attorney law firm is also an owner of the underlying debt in question ?

No. But they may not be entitled to attorney fees of Collection.

Why would attorney stall fee mediation??

Unless the fee agreement so requires, mediation is not required. You may want to initiate Fee Arbitration with You counties Bar Association or the...

No, fee agreement is privileged. It is not discoverable.

Can your lawyer drive your paperwork to a 3rd party and charge you his rate for it ?

He can threaten but he is likely to lose unless there were unusual circumstances or if he was going to meet with the expert.

It is unlikely that comments during oral arguments would be relevant in any proceeding, and, therefore not admissible.

Is an unsigned (by me) abstract of judgement valid?

You have to have a Court issued abstract before recording is valid.

Can you lie and say you got rid of your attorney?

There are no consequences for that lie.

What else other then my reason for missing status conference should my response to order to show cause state ?

Set a hearing to explain to the Court why you missed the hearing.

Will the court strike out those portions for me or do I have to strike them out myself and file it together with the order?

The order itself that acts as striking. The sections struck are just deemed struck.

Can I subpoena address of Calif. judgment debtor from his attorney, who offered to forward mail but refuses to give address?

No. You must use other resources to locate the debtor.