What should i do i my deferred action for childhood arrivals was denied?

Make sure you comply with all the requirements, and then reapply.

Perhaps, they misplaced your documents. Or, perhaps, they just sent you a boilerplate checklist. Hopefully, you have all the copies from before.

What to do if renewal of DACA is not processed before it my work permit expires?

If your work permit expires you will not be able to work legally. You will have to wait for a new work permit to be able to work legally again.

I want to get a green card via investment in america. I have few questions that are mentioned below

You would need to have the money ready before applying. You could invest in various commercial enterprises. A good option is to invest through one...

What do u think I should do ???

He is not going to send you to jail. Do not pay him 30K. Contact an immigration attorney to discuss your sensitive situation in private.

I need really help plz

You should discuss your sensitive situation with an immigration attorney in private.

Is it possible to setup a business myself, and transfer my existing H1B to it?

No, your plan will not work. Perhaps you should look into E-2 visa.

My freind allready he is a out of status .but he is able to start new business in u.s.a . So he can get business visa Eb2 visa.

Perhaps you mean E-2 visa. I'm afraid your friend is ineligible for either E-2 or EB-2 since he is in the country illegally.

I am a GC holder, my fiancée is dutch, while we will be married and her F2A visa case pending, can she visit me as a "tourist"?

She cannot have an intent to immigrate to the US in order to apply for a temporary, non-immigrant visa. Unless she is able to persuade an...

N 600 !!All right... my mom born in italy to a usc father, who register her to teh consoular abroad, she never lived in the US

I don't think they are nuts but you may want to get an immigration lawyer help you apply for your citizenship. You may be interested in reading...