No this shouldn’t be as you have sought to rectify the matter through payment plan. Bring proof of this to interview.

Yes it is possible regardless of whether born out of wedlock. Depends on the current visa bulletin for the F2A category.

You should always be truthful in visa applications.

Wait for USCIS correspondence to determine how they adjudicate the case as this is speculative.

Yes that is possible, regardless of whether both in wedlock or not. Depends on the current visa bulletin for the F2A category.

Depends on the current visa bulletin for the F2A category.

Yes it is possible depending on the basis of your eligibility claim to obtain citizenship.

No you can come back with one valid status.

Yes you should have the original at time of interview.

Yes you may attempt to do so but results unlikely.