Filled paper and Online I-539 application simultaneous

Just leave things alone ... CIS won't issue refunds.

Can my stepfather migrate with my mother?

If you were under 18 when they married ... you can sponsor him with his own I-130.

Good question. Yes and I-130 appears to be faster and the both go through the NVC.

My mother is applying for her son of 19 years old. He just turned 19. Does he have a chance getting green card? Mother is LPR.

Yes, he has a chance ... it will take 1-2 years.

Can an LPR apply for child and file for an extension to live abroad while awaiting child visa approval?

This process will take about a year. File form I-131 and get a re-entry permit.

You need to be honest. The US Consul won't tell your government the contents of the DS-160.

Can i get a H1b Visa in my town

Sorry, the answer to that question is no.

Ead automatic wprk permit extention?

Q: my question is, will my employer accept the automatic work authorization A: Yes, they should.

I agree with Mr. Smith: 1, There is no H4 EAD premium. Even if the H1 was premium. 2, you may.

Can international students sell on amazon?

One or two items? Yes. Regular and frequent sales? No