No. You get a 60 day grace period in which to depart.

No, your parents cannot recapture your priority date to petition for your brother.

If he is in the U.S., he should wait 90 days. If he has not entered the U.S., he can file for an F1 visa instead of a J1.

First, he needs his own visa petition. Second, he is not eligible for a visa as a step child of a US citizen since he was over 18 when you got...

Yes you can refile and yes you can use premium processing.

Yes you can file for an F1 while your application for B1/B2 is pending.

No, you cannot immigrate to the U.S. to take part in the Cannabis business as it is contrary to federal law.

She can study hard for the test. Or she can submit medical evidence that she is physically incapable of passing the test. Or she can wait until...

The petitioning relative files the I-864, not the foreign national.

It seems to me that it would be unauthorized employment to use your child's youtube channel to make money for yourselves.