These are many questions that require a full consultation with a lawyer and cannot easily be answered on a general forum such as this. Good luck.

What does it mean if my i751 is transfer to my local office after an interview?

It is best to consult with the attorney who accompanied you for the interview rather than attorneys on a general forum who know nothing about your...

I overstated for almost 1 year, can I get marry with an US citizen without being deported?

Yes you are adjustment eligible if you are married to a USC in good faith and can prove so, with many other favorable factors and no other grounds...

How old do I have to be to petition for a spouse?

You must be 18 years of age to marry and petition for your spouse. The age difference is of concern given you appear to a minor.

Can i request for a temporary work permit if my US citizenship application is pending?

No there is no such temporary work authorization available.

I agree with my colleagues - you can schedule an Infopass appointment for further information.

I have lost my green card. I have my biometrics appointment in march. I have an id my driver license. need some info ?

You will need your appointment notice and a valid photo ID such as your green card, drivers license or passport.

How much time between interview and notification in mail?

It can take up to 3 months before you are scheduled for interview so it is nothing to be concerned about. You can schedule an Infopass appointment...

Do I need a waiver for immigration visa if I have a withdrawal?

The consular officer will inform you if a waiver is needed. From there you can determine next best steps.

How long is US resident allowed to be outside of the US ?

If she applies for advance parole she can depart with permission for up to 2 years.