How long can you stay out of the country on Green Card?

By staying more than 6 months, the continuity chain will be broken.

How long it takes for COS to F1

I have seen cases where it took more than 9 months. So, be prepared.

Married to US citizen but I am on J1 visa

Your case is absoloutely doable and is best to apply for a waiver than spend 2 yrs in your home country if you have dificulties.

If I won the DV Lottery with my child . Can I go on the interview myself without my husband?

First, you have to be selected. Whether to Including him or not is your choice.

That means that you are subjected to the rule. There are some basis for the 2year home residency. Not everyone is subjected. Check out this...

I-765 application for employment authorization (OPT)- receipt notice not received

Sometimes for some ppl/addresses, it may take longer. After 90 days, you can make an infopass appointment.

Can I work if my OPT work permit expires and my Asylum application is pending?

You need to have a valid work authorization if you you are planning to work after your OPT expires.

Do I need to obtain an advanced parole document if I want to visit my home country? What all documents do I require to travel.

It is best advised that you consult with an immigration attorney in private.

What problem will cause me to travel to my country of origin, if I got my green card through asylum.

Since you are a Green Card holder and not a USC, the answer is yes. You may lose your GC if you make this trip.

Can i bring my fiance to the US?

I do agree with my colleagues. Once you become USC, you can apply for his green card.