Will it affect my visa situation, visa stamping when I go outside of USA and will it affect my job options I work in financial.

You need to get your certificate of disposition, any other records and show it to an Immigration attorney before you leave the country.

You can bring the most recent tax return that you have on the date of the interview and proof of your wife's income (like a pay stub for example).

Nunc pro tunc application

I think you need to move on with your life rather than seek to to stop him from staying in the US. If you are afraid of him, you can always ask for...

How can i do that without a fiancee visa? Because i dont want to get engaged yet.

Unless he qualifies for a work visa, you will need to make up your mind on the marriage thing quickly...

Of course he/she can. The person will likely to be paroled in and served with the notice to appear.

Overseas travel after completing biometrics for I485 AOS

Have you started working under EAD or are you still working using your H1B? It makes all the difference... Consult with the company's attorney.

I 140 Portability benefits for L1 A Max out candidates

The rule was simply proposed. It is not the law yet, so any answer to your question right now would be a speculation.

Will an RFE on my 1-765 stop the clock on the 1-485 as well?

An RFE on I 765 is a very interesting thing. What is that they are asking you for? Speak with an attorney in person.

You will have to proof that you are not "inadmissible." Consult with n attorney in person.

L1B to H1B transfer

I am afraid the petition that was filed for you back then was denied. You should check with your H1B employer.