Hello! Thanks for requesting my opinion. In general, the answer is no. NOTE - once you have a green card through one avenue, you cannot have...

Any chances of USCIS accepting USCIS as payee name?

You are fine - no worries! They will accept this.

Does I-797 for H4 needs to be transferred when person on H1 switches job?

Yes - This is correct. H-4 is dependent on H-1B status - not the Employer.

Can my joint sponsor help me if the only earning is alimony ?

You can but I would get a different sponsor if possible.

Is there any way I can bring him to come live with me to the US?

You ultimately can but there are lots of requirements - please contact an immigration attorney to help.

Will I be able to get naturalized ?

No- if you work you must pay taxes but there is no requirement to work if you are married to a citizen.

Yes - you must give biometrics for every application you file.

Son entered US with a different name at age 4. He is 28 yrs old now, does he need to file i-601 waiver with i-485?

First of all you will it file the 485 now. You have to wait for the priority to be available. Second he may not be able to adjust in the US. Third...

Returning to the US after being out for over 180 days on Green card. What documents/evidence I should carry?

She will most likely be sent to secondary inspection. It will take hours to be admitted to the us. So be ready. She will need proof of her...

I understand that if my Grandparents were both Polish I can apply for a dual citizenship.How do I go about Ty his legally?

Poland. Go to the closest Polish consulate.