No unfortunately this is not an option.

Depends on your current status. Consult with an attorney for guidance.

You can update the AR11 for change of address.

You can use the Avvo search tool for guidance finding an attorney for assistance.

Yes this happens and case should be scheduled for interview shortly thereafter.

Yes you may do so and follow up with USCIS.

Yes it is possible but consult with an attorney for guidance.

Yes you may do so and present the decree at time of filing. Consult with an attorney for guidance.

Depends on his income and his total household size.

No this wouldn’t be enough for reentry.