Sadly, that is becoming a normal wait time. If it take six more months, I would file a lawsuit.

Yes. Perhaps you lost eligibility somehow. I don't recall ever seeing any denial but I'm sure it's possible.

Send them what you have and request a waiver of the vaccination requirement.

I suggest you write "See Supplement B".

Yes, the registration period is April 19, 2022 – October 19, 2023.

I think it is best to file it with the application, but some prefer to wait for the interview notice to get it done. It expires if you don't file...

You can call or write to them asking to withdraw the application. They will not refund your fees.

It depends on the job offer, your qualifications, the company's annual income, the salary they intend to pay you, very likely whether there are...

It means that your employer sends you to work for its clients and the U.S. Embassy wants to verify that they in fact have jobs to which they are...

They would need the I-140 approval forwarded to the embassy and that could take years.