Work with a criminal defense attorney to resolve.

Yes you may reschedule the oath ceremony without issue.

Yes you may but may be better to refile. Consult with an attorney for guidance.

Yes you should send based on your physical address.

Yes, you can indicate location and time.

Most likely, she will be denied again.

Unlikely GC can be reinstated but best to have a proper review of the case.

Your case is definitely outside of processing times. Consult with an attorney to discuss possible options.

A Fiance visa is an option if you have met in the last two years. Consult with an attorney for guidance.

Depends on whether cosignor’s income is sufficient.