Do I have to wait for a while for reapplying i-130?

Why would you withdraw and refile. Refilling for the same person may create problems later on

Obtain a copy of the cashed check. The receipt number will be stamped on the back of it.

Is premium processing available for H1B transferes

Premium processing is available for an H1B transfer application. However, it has been temporarily suspended until July 27, 2015.

If I apply for a Green card through the EB3 category, Am I guaranteed to get through before my h1b expiration?

You will not get your green card before your H1B expires but may receive an approved i140 if you timely start the labor certification process. You...

I submitted I-539 for my parents to extend their stay in USA, but 3 months went by, there is still no reply, what should I do?

You can call USCIS and do a status request.

Administrative Processing for Immigrant Visa applicants(parents) who already have a valid visit(B) visa.

Unfortunately there is no way to speed up the process. Prior processing doesn't count towards new processing.

I filed an I-130 petition for my siblings and was denied because I wasn't in the US when I was told to ho and do DNA test.

You should file a new I-130 petition.

Fiance K1 VISA

He needs to be a US citizen and earn the required amount under the federal poverty guidelines to support you

1-485 apply again

We need more information. What was the basis for their permanent residency. Was your 485 denied and why? You may not be placed in removal...

Does an immigrant have any opportunity to remain in the US if she divorces prior to two years of a good faith marriage?

You can file the application to Lift conditions upon receipt of your divorce decree and provide evidence of a good faith marriage.