Is it more intelligent to marry my fiance now that he is still a lawful permanent resident or wait when he's a citizen in 2yrs?

If you file for him while you are still a permanent resident, he will not be eligible for adjustment of status until a visa number becomes...

If I-485 abandoned for primary applicant - what will happened to spouse

Unfortunately, your status depends on his and your case will also be considered abandoned

How my sister or her sons can get a resident card after remain in USA with a Tourist visa after they avoid to renew the permits

The priority date is not current and tourist visas are limited to six months which means your sister is out of status. She was not in the US early...

Can a person in prison apply for N-400?

It would be quite dangerous to do so for two reasons 1. The reason for his imprisonment probably means he cannot meet the good moral character...

If you have OPT, you are still considered to be in F1 status. If you do not have OPT or other status, you probably need to leave the US at the end...

How can my soon to be husband become a US Citizen?

First deferred action would have give him a work card, not permanent residence card. You probably can file an I-130 for him but I do not know if...

Are there any options to work in the us while waiting for a visa

It is not possible to give an answer with out all the facts. You are best served having a consultation with the attorney

AOS interview. We are married for 1 year and in relationship for more then 3 years. We are not denied neither approved by IO

Was the interview videotaped? If so, file a complaint with the district director and ask him/her to review the recording. This is not acceptable...

Best way to fill out form I-864 if there is 2 petitioners

Yes, two separate I-864 forms, with supporting documentation of taxes and proof of status.

File in federal court to push them to make their decision. It virtually always works.