If the child will be a U.S. citizen upon arriving in the U.S. you can do the I-864W. If not, then you must file the i-864.

There is never a set amount of time for a response and it is not evident from your question whether your child is eligible for adjustment of...

Applying for a drivers license and state ID based on an EAD is not a violation of one's F1 student visa status.

Yes, the consular officer will consider the prior denials and will have to consider that you are highly motivated to come to the U.S. perhaps not...

You answer the question and demonstrate how you can support yourself. The I-864 does not exempt you from completing this section of the form.

I suggest filing for the waiver as soon as possible and not wait until you file for adjustment of status because adjustment cannot be granted...

Generally there are forms attached to the tax return that show the individual income such as W-2's, 1099, Schedule A or Schedule C. You need to...

There is no rule against leaving the U.S. while your N-400 is pending. You can have a friend check your mail in case you have a biometrics notice.

It sounds like they were trying to determine if she is a risk of staying in the U.S. when she completes her studies. Not eligible since this means...

I fully agree with both of my colleagues. There is no such rule for adjustment of status, although it is very widely believed.