As long as this was an honest mistake you will be able to explain the situation at the interview.

Best thing you can do is reach out directly to an attorney or firm. Some will be willing to sit down with you and explain the process and some will...

Seeking a strong professional immigration attorney?

There are plenty of immigration attorneys in the Los Angeles area. You might want to do a search in your area for better results. On this website...

Are you already an American citizen? You mention a green card but nothing about having a certificate of naturalization or certificate of...

Previous response is correct. You should be able to renew your DACA without an issue.

Can I return to the US on a B1/ B2 visa after h2b?

Yes, but it will be up to the officer reviewing your visa request.

Yes, your husband is eligible to be the co-sponsor. He does have to meet the income requirements.

What do I need to help my mom get her residence?

Both of the previous responses are correct. Your mother's eligibility depends on more factors than just the ones you listed. Reach out to an...

Can a child under 16 get her US passport renewed with 1 parent if shes in korea.

That is the American policy, not the Korean policy. You can find the details here- ...

Your case should not be rejected if you do not know/have that number.