Should I apply for an extension of stay for my mother, who is here in the U.S. with a B-2 visa?

Yes it is advisable for your mother to file for an extension of her visitor visa based on her USC son's schooling. Consult with an attorney for...

As long as your husband understands the substance of the forms and doesn't require it be spoken or explained in another language, you wold serve as...

No - you must have met your fiancé in the past two years in order to apply for a fiancé visa.

Applying for visitor visa for the spouse of I-130 pending?

If no one ever filed for her and named her as a beneficiary of an immigrant petition then the answer would be No.

I have met a foreign National that I want to sponsor to the US. We are interested in getting married.

Yes your disability income can be used for purposes of the I864 affidavit of support requirements. It would be advisable to consult with an...

You can remain in the US up to the authorized stay indicated upon your entry at the POE.

Immigration paperwork query

Yes you need to submit two distinct Form I130 for your spouse and child.

Can i pay a volunteer at a non profit who is in the US on a tourist visa a stipend of $2500/month for living expenses?

A stipend would be considered unauthorized work while on a tourist visa and is not advisable for you to do or the tourist to accept.

How my parents can get greencard?

Yes they can apply for their green cards through you as the USC child over 21. All paperwork must be submitted at the same time and often an...

If I moved to a different state will my case or file also be transferred?

Yes you must submit a Change of Address within 10 days of your move. Your asylum case will be transferred to the office having jurisdiction.