Invest in a paid legal consultation. It would be cheaper than making mistakes with flawed eligibility.

It depends where you travel. Some countries require passport validity for longer than six months.

Do not waste your time, money and energy on "suing the USCIS officer," that would be an exercise in futility. Discuss your immigration case and...

Why do you ask? Does not she plan to reside in the U.S. permanently as a LPR?

It is advisable to amend your omission sat the interview with a qualified attorney present.

I think a K visa would be more suitable.

Both must apply for B-2 visa which are not guaranteed.

No. You may file a Petition for a legal name change in the local county court in the state where you reside.

Yes, you may, although you may even naturalize.

What is the reason you spurn working with the company';s assigned immigration attorney at no charge to you? Is your employment legitimate?