No. Unless you were threatening a future crime or harm.

The situation is unclear but you should contact other attorneys to see if they will take over the case.

If the condo association will not take adequate steps you can sue for “nuisance.”

These are standard phrases because discovery in cases can find other people who were actually responsible.

Yes. You may want to sue all responsible, e.g., owner and management company.

First, your relief for improper or “cute” responses is to either file a motion to compel or use the answers against the opponent at trial. ...

Contact the other side and request an extension and provide your response with the production.

On winning a case costs are usually awarded.

Transferring assets while litigation is occurring, below fair market value, is a fraudulent transfer and you can pursue the transferred asset.

You are best to defend using an experienced attorney. And, they are not likely to sue.