Change address with both. Correctly update AR11.

You may drive with your foreign driver's license. Always have your immigration papers with you.

You can have passive income in conjunction with your EAD employment.

For your specific case, you can change jobs and that would not affect the I864.

You have an NVC account, I assume. Through he the inquiry portal of the website, submit a case inquiry of your petition.

Yes, you may buy a business on H1B Visa.

If your interview is cancelled, you show up at your own risk. You will not be allowed into the building, and you have just wasted your time. If...

Adjustment applicants who are in valid H-1B status, and their dependents, can travel abroad and reenter the United States in H status while an...

There is no effect on your application because of USCIS multiple interview cancellations.

The form to file for PRC renewal is I90 and follow instructions. A valid passport is not required.