You abandoned that LPR status and may apply for any eligible entry visa on merits.

You have a lifetime bar for admission. I personally would be skeptical that even a Waiver would make a difference, yet you may try.

IF you have a prior criminal legal issue that alone requires a confidential case assessment prior you your filing.

I would use a Money Order for the required fees with YOUR name on them.

Yes. Only one thing: retain an experienced immigration attorney. It would be much cheaper than resuscitating a butchered immigration case.

You must waif for the EAD, receive a Social Security Number from the SSA and then file taxes accordingly.

Clarity of any submission dictates to mail each submission SEPARATELY in a SEPARATE envelope to escape a possible USCIS confusion with both cases.

It would be extremely foolhardy to initiate aa naturalization submission with two prior denials without first analyzing the legal grounds for...

Affidavit of Support I-864 is a notoriously complex form not to be handled pro se as even a minor omission, mistake or error will render the...

You will get stuck in a legal limbo. I recommend immediately to discuss your legal options with a licensed immigration attorney at once.