You have done your part by letting the Department know your thoughts. Since you are divorced, your spouse will file the I-751 seeking waiver of...

Change F1 opt ead to Family based AOS ead

If two weeks if the application is approved you may not have to decide between the two.

Can an H1B visa holder start a business in US or own some percentage of equity in a US based startup?

Passive investment should be OK. Active involvement like holding a position of an officer and performing tasks is unauthorized employment.

Form I-129F: How to answer Part A Question 11: "Have you ever filed for this or any other alien fiancé or husband/wife before?"

Yes.

Will my arrest affect my family green card hearing day ?

Not enough information provided.

Should my wife travel to the US on a tourist visa or an H4 for an interview with a dental school?

Without knowing more on your background, one cannot suggest one approach over the other. A brief talk with an immigration attorney is the right...

Do I need Immigration attorney? My mother visa expired but I filed I-130 petition 1 month prior which is approved as of Mar 28?

File the I-485 along with the approved I-130 notice and send all supporting documents - birth certificate, medical, affidavit of support, etc. If...

US VISA status changed from "send ppt" to "pending process"

Seems like the process is complete and you will be issued the visa.

What should I when I relocate to another state while having a Form I-751 case pending? How will it affect my application?

File AR-11 and write to the USCIS (preferably by certified mail) requesting an update in address on the pending application. Usually you will be...

As an asylee, I have to physically remain for one year,then apply for green card, shall I leave the country on processing?

It is in your interest to consult with an immigration attorney before making any travel plans.