What is the processing time for an I-824 and what are the chances of our waiver being approved?

According to USCIS, it can take anywhere from 6.5 to 19 months. See this link for more details: https://egov.uscis.gov/processing-times/ As to...

How should I notify the asylum office about my change of address? And, is it ok to file the AR-11 online?

I agree with my colleague. You should a letter to the asylum office AND file the AR-11 online.

My son will turn 21 in June/20 and is in college under F1 visa. Should we apply for a L2 visa?

I agree with my colleagues. He should maintain F-1 status if possible.

Yes, you can buy a house on this type of visa. You should know that it will be difficult to obtain US financing for the house.

Asylum was denied and i am under removal in the meanwhile i am married to USC. Any chance of getting my status adjusted.

It is possible to adjust your status but you will need to consult with an experienced immigration lawyer to make sure that it is done properly,...

I just learned about the existence of the Selective Service before Naturalization. Am I exempt?

No, you should not be worried. You were not eligible for the draft.

Request for additional evidence I130

It just means that they have a question about something that you filed or did not file. Do not worry. Wait for the RFE and then respond...

Advance Parole Approval

Generally,, it takes between 4 and 6 months.

My wife who is in process of getting her renewed EAD through Asylum? Can she apply for I485 thorugh me. I have a Green Card ?

If your wife entered the US lawfully, you can file to adjust her status and apply for a work permit for her. You should consult with an experienced...

Can I adjust my status ? Help

If your status is current, you can adjust your status. I recommend consulting a lawyer to help you, particularly since you are in court proceedings.