It depends on your immigration status in the United States.

You should be able to work for your LLC under OPT. However, once your OPT expires, you will not be able to continue working for your LLC unless...

You may proceed to file an AOS. However, your entry date to the United States may affect your AOS.

You maintain your H-1B Status by working for the H-1B employer. Once your H-1B Petition was revoked, did your H-1B employer also stop paying you?

USCIS might determine that you have employment as your movie distribution creates income for you (self-employed).

Yes, you can. However, you might want to wait for the I-130 Receipt Notice (if not yet).

Your fiancée may apply for an H-4 Visa Stamp after getting married with you. Based upon your statements, your fiancée does not have to do anything...

Yes, that happens. If you do not receive one within 30 days, you might want to inquire with USCIS. Also, if you submitted I-485s with checks, you...

This is more about your convenience.

A green card holder should stay in the United States for more than the majority of the year. However, if the green card holder needs to stay out...