Can I travel to my home country? When I re entrie USA get any trouble?

I agree with my colleague: you may travel to your home country, your wife may not.

N470 - How often I need to travel to U.S

You cannot be outside of the country for more than a year and you should return at least once every six months.

Can I help my sister by being her co sponsor so she could bring her husband even if i am married and i am not the head of house

Yes, however, I recommend that you work with an attorney throughout this process. You can contact an attorney to our profiles on this website....

The petitioner usually does not attend the interview. However, it might be a good idea to have an attorney present.

I filed I -130 for my brother. My brother's pettion was denied after three years. what are my options?

Based on the fact that you outlined, your best option would be to re-file the petition. I suggest you worked with an immigration attorney through...

What steps do we have to take

You daughter can submit an N-600 for her certificate of citizenship. With regard to the filing fee, she can apply for a fee waiver if she meets the...

How to change a B2 visa to an F1 visa

I agree with the strategy laid out by my colleague. However, there may be more options available to you depending on your specific situation. I...

Do I have to submit my federal income tax returns with I-864A if I am the intending immigrant with legal income?

You can submit your income if your spouse does not meet the minimum income requirements on her own. I highly suggest that you allow an immigration...

Whats the easiest way to get a green card to the USA through a work visa

I agree with my colleague, the best way would be to obtain an advanced university degree such as a masters and obtain employment through an...

I recently became US citizen, but my parents have pending assylum application, can i apply for their Adjustment of Status now?

Yes, your parents should be able to adjust based on immediate relative status. I suggest you contact an attorney to get this process started...