Don't try doing this on your own! Hire an immigration attorney to do this for you.

How long it's gonna take if filed for my children leaving abroad ?

Please visit the visa bulletin as reference by my colleague. You didn't tell us what country you are from? Look at the receipt date on your I-130...

Green card holder spouse immigration

Yes you can file the I-130 petition for her now and once you naturalize the process will be much faster. Meanwhile your wife can can be enrolled in...

I am married to a US citizen. Should we file for a I-130 and I-485?

The mere fact that you got married to a USC does not automatically entitle you to file an I-130 with an I-485. You have to be otherwise eligible to...

Can I travel abroad and reenter US with my green card if i was arrested for a misdemeanor, paid a fine but wasn't fingerprinted

I agree with my colleague do not leave the US until you have consulted with a experienced immigration attorney.

You need to provide more facts. I agree with what my colleague wrote. Only thing I would add is that if you are not eligible to adjust your status...

Which address to write in ( 2a ) mailing address of principal immigrant field in i-864 form ?

US address

I WANT TO RENTER THE U.S., BUT I HAVE AN EXPIRED RESIDENT CARD. WHAT ARE MY OPTIONS?

I'm not sure exactly how long you remained outside the US? I highly recommend you retain an immigration attorney to help you. If you were outside...

Divorce

You posted your question in the wrong section. Post it under family law not immigration. good luck

How to have different residency and mailing addresses for adjustment of status application?

You should retain an immigration attorney to do this process for you. They will make sure the process is done correctly and since they will be the...