Will me getting married affect my moms citizenship status?

It is necessary that you attain the age of 21 before you can petition for mom.

How much cost to my husband do a petition to me and my son?

You will need to continue to contact attorneys directly for their fees. That subject is not permitted on this forum.

Can my parents apply to live in USA legally?

TPS would have been the best option but it closed Dec 21,2015. It is possible to file late but not an easy thing to do. There is a refugee...

Does my husband have a chance of getting out of prison and NOT being deported

This is more suited to the criminal bar than immigration. I have changed the forum in hopes they will respond.

Apply for Naturalization and it's taking more then usual time.

Background checks are very serious business and take time to complete. Expedited process not available.

Yes that is what biometrics are for and covers crimes across states.

Does K-3 visa only for Finance or I can file for my wife too?

K3 is for a spouse and must be filed after the I130 is filed but not yet approved.

Hello I've been a permanent resident of the US for 16 years and about to get married to a US CITIZEN will that make me a citizen

No marrying a citizen does not make you one. You will have to file on your own behalf, then sit for the two tests.

N400 and infopass

Your lawyer can and must take a signed G-28 form indicating he us your representative.

Do the person have to be in the same states to do the join affidavit?

No, there is no requirement regarding which state one lives in.