Original naturalization certificate, not copy, is required to apply for US passport. No exception.

Contact USCIS and request upgrade your I-130 status from LPR to USC, with supporting documents of naturalization or citizenship.

State no, if you don't have plans yet at filing DS-160.

The edition form date simply means after that date, DOS may not accept that form. Something to pay attention to and make sure you have the right...

You may travel on a current valid stamp until December 15th and a valid i797A. Good luck.

You may hold on to DACA renewal until final court disposition of your case.

It depends on your immigration history. Consult with an immigration attorney for further guidance.

No. Pandemic unemployment compensation is not considered public charge.

Due to USCIS backlog this is possible. In the interim, get a I-551 stamp at your field office.

When approved you may work as H1B visa holder.