Can I start an LLC with an L1b visa and flip houses.

That depends on which country of citizenship and last residence you have as well as the amount of money you can invest.

How can I can volunteer as an international student?

You do not need any documentation to volunteer assuming you are not in OPT. In that case you do.

Can I still apply for permanent residency after getting married with a USA citizen ?

More than likely you cannot adjust status in the US and will need to get your green card at the US consulate. You also apparently will need at...

If the cook has either a degree in culinary arts/hospitality or more than 12 years of experience with regional or national recognition, the H-1...

Which Wage Is Applicable After I485 Approval

The LCA wage has nothing to do with the PW for the labor cert and 485. You have an attorney you should be discussing this with. AVVO is for people...

Can I change turist visa for job visa?

You will need a job offer for a job which requires a bachelor's degree first. then you may look into apply for an H-1 change of status or visa.

Will it be an issue for my Greencard application or process if my employer is not paying the salary mentioned in the PERM.

You should be discussing this with your attorney. AVVO is for those who do not have attorneys. The PW fore the labor cert does have to be paid...

Can vawa be denied after 17 monthe waiting......

Yes, it can be denied but that the lenght of time a case is pending really has nothing to do with its success.

Since the petitioner's attorney is also your attorney, that is who you should be discussing this with. AVVO is for people who do not have attorneys.

How does filing USCIS form I-130 for full sibling affect sibling's ability to travel to the US while awaiting petition number?

The I-130 should not impact admission but may hurt the chances of getting a visitor's or student visa. I would be a good idea for the sibling to...