It is best to get the stamp in your passport. As pointed out by Attorney Segal, the only exception is a breif trip to either Mexico or Canada.

A illegal take advance of a cittzen and stealing from him

There is no question here.

You should follow up with an Infopass appointment.

(Memphis Field Office) Greencard Renewal While Waiting On USCIS Decesion About Citizenship

As long as there is nothing wrong with her N-400 application she should be okay. It is best to consult an attorney.

After I-130 Approved what's next?

It can take a while especially since they are from the Phillippines. You should also hear from the National Visa Center about your next steps.

H1B and Job

I agree with my colleague. A H1-B is a working visa that does not require. EAD. It is best to consult your employer's immigration attorney.

Is the I30 the correct form to fill out to bring my children to the US?

Yes it is the initial form. Consult an immigration attorney to assist you.

Can resident held in immigration detention reopen case to try to get it dismissed to avoid getting deported?

You would need to consult with your criminal attorney. It is also advisable to hire an immigration attorney.

How can I stop my friend from entering a green card marriage without getting her in trouble?

It is her decision to marry but you can tell her that marriage fraud can stop from her ever obtaining another immigration benefit.

Regarding interview for green card getting marrying to us citizen

There may be other questions and a request for evidence coming. Consult an attorney.