I'm a non US resident/citizen planning to start a LLC in Delaware, what are the taxes that I am supposed to pay ?

You should contact an accountant for this information.

I-20 start date in Sep-04-2013 but F1 not approved yet.

If your H4 allows you to study, there should be no problem, but you should have the school send an updated I-20 in order to get your change of...

Immigration Officer couldn't find the E2 Visa

It seems you are trying to enter the U.S. on an E2 visa and you were never issued such a visa abroad, nor approved for that status in the U.S. You...

You can.

Priority date current in Sept, can spouse on J1 with 2yr home residency condition eligible to apply for AOS along with me?

She is not eligible for adjustment without the waiver.

Can a derivative asylee obtain a green card based on family relationship of a green card holder?

If you were admitted or paroled into the U.S. as a refugee relative, then yes, you can file as the spouse of an LPR. If you were not inspected and...

She can also get the DV visa outside of the U.S. through consular processing. Yes, it is a problem to come to the U.S., if she intends to immigrate.

What's fraud waver , and when it's use?

If a person committed fraud to obtain an immigration benefit, they are inadmissible into the U.S. However the U.S. can waive this provision, and...

As a convicted felon for embezzlement in the U.S. am I able to obtain residency in another country, specifically in Caribbean

Each country has it's own laws. The U.S. will not determine whether you can obtain residency in another country.

Nobody gets asylum automatically. Each person has to show a well founded fear of persecution.