My boyfriend was caught with a gum (B Felony charge) can he still apply for us citizenship?

If he has a green card and has been convicted, he now is deportable. Go see a lawyer right away.

Should you disclose unathorized employment of I485 and 765 applications?

You should consult with a lawyer if you want to do this properly. If not, then you will have to learn ALL the rules and proceed cautiously.

Can i re enter the USA without my expired Green Card but but only with a stamped passport?Or do i need anything else?

If it is a green card stamp in your passport, yes.

What else can we send as proof of hardship???

I would recommend that you should be asking this question to your lawyer. If you do not have one, you should consider hiring one. This is too...

Can an american go to tijuana without a passport?

No.

Help me edit my "additional info" for I-765 ws for deferred action consideration?

Maybe your parents can hire a lawyer for you, this is really not a do it yourself process.

N400 citizenship application

I agree.

RE CR-1, do the Consular officers care about our current employment, not in USA, which is under the table. We have F visas.

I agree.

Would my w-2 forms be enogh to prove that i have been in US for the last 5 years

I would suggest that you hire a lawyer. This is the only chance for the last 12 years. Why risk mistakes.

Very slim chance of receiving a B visa.