A properly drafted sworn statement should suffice for this request.

Should I apply for a fiancee visa or let the 130 play out?

1. No, another USICS application would not affect the I-130 application. 2. Depending on the consulate, the fiancé may be faster. It is...

DACA ?

He'll have to wait to receive the work authorization or consult with an immigration attorney to see if he qualifies to expedite the application.

Daca renewal process ?

You will need to put in a new DACA application.

Yes, you may submit another extension while the previous extension application is pending.

The interview in this situation will likely be waived.

I was born outside of the U.S but just recently discovered that I have Native-American in me? Am I eligible for citizenship?

You should review the handbook provided by the previous answer. Also consider a private consultation with an experienced immigration attorney.

Will leave of absence for health reasons affect my affidavit of support? Already submitted forms and documents

A leave of absence would only affect your Affidavit of Support, if it affects your income in the way that makes you unqualified to be a sponsor.

Depends on the DMV in your state. Check with your local DMV.

PD APPROVED EARLIER AND SHOULD I APPLY FOR WORK PERMIT?

You can if you have a pending Adjustment of Status application.