Is it possible to change my visa from tourist visa to a student visa while in the United States?

Possible but problematic.

How much it cost for filing GC for myself,I am working in research and have master degree, is it easy , which category it is EB2

Based on the information you provided, you do NOT qualify for any of the self-petitioning EB classes.

How do I help my little brother get here fast to live with me?

You should speak with an immigration attorney to assist you in this matter to explore options for your brother.

Hi, I:m trying to bring my father to the USA to live. He lives in Ireland. What forms do I submit and in what order do I submit.

First, you should retain an immigration attorney to assist you with the process. This will save you time and money in the long run. Second, if...

I want to find out if I should apply for an i-90 even though it was stolen in 2012 and I have a criminal record ?

Probably not. But you should still consult with an immigration attorney to go over your case and determine your risks and options in much more...

The L-1 time counts against your H-1B 6 year max.

How do you determine an employer as H1B cap exempt for the first time?

The employer should contact an employment immigration attorney to make that determination.

I filed a form I 130 for my husband.we received a denial for failure to respond to NOID which we never received.

Contact an immigration attorney to assist you.

How Can I Obtain My Residency

Contact an immigration attorney to assist you with your matter. You MAY be eligible if you meet the requirements for the adjustment of status...

Hi How do I file for my fiancee if DREAM ACT gets passed and i get my green card?

My colleague is correct. You need to see an attorney asap.