It can take many weeks or months until decision is made.

No there is no such requirement for degree.

That is ok and the baby can be added to the application. Once born, you would need to work with the Consulate for consulate reporting of birth abroad.

The second application date would be from the start date of the last extension request.

There is still a possibility but best to review your case with an experienced attorney.

You should have a valid passport for international travel.

Yes would be the answer, despite previous expungement.

Yes you would answer yes to all even if case was expunged.

It depends on the local jurisdiction for processing times.

No this is not required but can be provided.