If my 8 yr old niece is not a citizen or green card holder

Uncles can not petition per se.

If someone has a K1 visa approved, how soon do they need to leave to the US

Yes. It was probably stamped on it. Check with an attorney if you have any questions so that you will not be in violation of the Visa.

What are the qualifications for buying a home in a short sale

What did your attorney say? Trust him over the realtor who usually has much more gain and little to lose.

My husband and i are resident of nycha.i believe we are being overcharged on rent

I am not sure of your question.

Should I go for an interview without my husband or should I file another petition by myself with the proof of domestic violence?

I agree with the prior answers. You may want to bring an attorney with you to the interview or at the least prepare you for it which may make...

Filed i485 july 2011no answer in 3mths

If you filed by yourself there may have been mistakes. I see this many times. USCIS takes time but if you made any mistakes that could drag on...

Do I fill out the I-864 form again when we mail back the evidence in response to the RFE? (Details may help)

You may want to review your facts with an Immigration attorney to go over your specific factors.

Probably not.

What if your neighbor is calling the police on you for making noise,and your not making noise

Speak to the police about it when they confront you.

What does your lease say?