How long would it take for my I-824 to be approved? and can i go to the USA while i am waiting?

Contact a US immigration attorney for review prior to any travel. The L2 is void now that your wife has a green card. It depends on your I130 on...

Using Assets to supplement income [Green Card through Spouse] I-864 ALL ASSETS?

Review the instructions at www.uscis.gov and contact a US immigration attorney regarding joint sponsor requirements.

What can I do if my wife’s DACA was rejected for being received late when it should have arrived before the October 5 deadline?

Contact a US immigration attorney for specific review and follow-up review on whether the DACA can still be accepted.

MY wife if on valid J1 visa. She has a pending I-140 (NIW). Can she travel outside the USA? Will they allow her to come back?

International travel with the I140 is not recommended. Contact a US immigration attorney.

A new and valid visa is required to re-enter the US. Contact a US immigration attorney.

I just did the bio appointment and wanted to know how long will it take for me to get my re-entry permit?

General processing time is 2 to 6 months nationally.

What happens if you have two approved petition?

Contact a US immigration attorney for a specific review of a 2nd opinion.

Potentially. Contact a US immigration attorney to review the notice.

Generally no but they will know if your visa is revoked by the DOS for the arrest.

Part 12 Question 7: do I answer “yes” or “no”?

Review the instructions at www.uscis.gov and contact a US immigration attorney for review.