When my wife can apply to become an US Citizen?

Yes, you can file N-400 now and they will adjudicate both at the same time.

Is there anyway possible to bring my sister to the US along with my mother?

How old is your sister? It may be that your mother needs to get her green card first and then apply for her. Get an consult regarding processing...

My fience’s case return to NVC for further information and i need to know what do I need to do and how long this would addition?

You need submit certain documentation to NVC and then the case will get forwarded to the consulate. There are many steps to follow and a proper...

Can my sister come to visit?

She can apply for a tourist visa first, needs to discloe her prior DUI and see what they say.

Can we go back in the US for the holidays after leaving 5mos ago?

By I-539 you mean you applied for a tourist visa extension here and stayed and gave birth? You have to re-apply at the embassy for a new visa.

Expired passport and advance parol

Leaving on TPS may be a risk at this time and it also depends on whether you originally had a legal entry. Consult with an attorney before leaving.

Can I renew with expired permanent green card past 6months or longer?

The answer will depend on the nature of the crime and what category it falls under. It also depends of its disposition. You can apply for I-90...

You can go on this link to file a doctor near you. https://my.uscis.gov/findadoctor

A friend is wanting to sponsor her grown children, she doesn't show enough income and has asked me for tax papers, obligations?

You will be financially responsible for the beneficiary until she becomes a U.S. Citizen, if she decides to sue you for money. Divorce does not...

Green card application ?

Your question is not clear. You filed your I-485 and had an interview? Has one year passed? A short trip should not affect your case if you...