How likely am I to be questioned heavily about unauthorized work during my green card interview?

You had to get an Employment Authorization Document to work legally. Both you and your employer have a problem. Unfortunately, working without...

If i cant make it to court and i need a few days to make it up after my court date how would i go about doing that

This is not an immigration question. I have switched it to criminal defense.

F1, Holder i20 just expired 5 days after grace period of 60 days, can I apply for i-485 adjustment of statut ? Before 180 day?

More facts needed. You need an approved I-130 or I-140 (with current priority date) to file an I-485. New policy memorandum effective 08/09/2018...

I am a non resident alien in USA and my status is getting expired on 25th this month. Can i move to Canada as I have WP ?

New policy memorandum effective 08/09/2018 allows no overstay. You need to leave by the 25th.

N 400 interview

Probably Durham because it is closer.

Two H1B extension + amendment. One got denied and other in RFE.

A denial of the H-1B petition is employer-specific. Unless the denial had something to do with you, there is no reason why the denial of one would...

Is a red card, Employment Authorization Card, category (c)33 considered a current work visa?

Owning a massage school may require you to have a certain license. However an Employment Authorization Document allows you to be employed. You...

Nothing to worry about -- some Service Centers are over-burdened and so USCIS allocates files to other Centers to share the workload more evenly. ...

What other documents should I send other than the ones that nvc listed?

They usually check off what they want. If they do not specify what "any other documents" they require is, I would ignore it.

The NVC will send you a list of what, if anything, they need. From my experience, photos of you as a couple are not requested.