Can I still get my American citizenship.

If you were born in US, then you are a US citizen. If you were in US pursuant to a lawful entry (e.g., green card) before age 16 then you are by...

Could this affect my dads process

You need to provide more information about your dad, his fiance and your status.

Am I Eligible for OPT under this Situation?

You may consult with the school DSO.

H4 visa right after I move to Canada ?

Unless your wife has a valid H-1 and offer of employment, i see no reason that you will be getting a derivative status of H-4.

Should I apply for TPS while I wait for my green card application to get approved?

If your marriage is a bonafide one and you have filed all documents properly and pending, no i would not.

Can an immigration attorney charge extra for a Request For Evidence if a retainer agreement was signed?

It depends on the actual language in your contract. However, as a general practice, most attorneys do charge for extra work such as RFE.

Did you have a lawyer for your green card process? Did you not tell the DAO to withdraw your asylum application. If not, you my do so now.

Came USA before a year and half, my visa is IR1 and waiting my 10 year green card.

You seriously need to consider to hire an immigration expert and family lawyer to review your situation. You are in a serous matter and need your...

Can i use foreign affairs manual 9 FAM 41.31 N14.4 provisions to renew b1/b2 visa for my mother allowing continuous stay in USA?

Just because you found a copy of FAM manual which deals with consular processing, suddenly you find yourself in a different category?

7+years on h1b, 140 withdrawn before H1B transfer could get thru, what are my options

I know you don't want to hear this but contact an experience immigration attorney as soon as possible. It would be the best money you spent.