How hard is nowdays to get a Green Card on the usa?

I'm mexican, male, 24 and got into a private lawschool some time back, finished in three years. Im in the process of recieveing my professional title and professional cedule wich is the official government recognition as a law practicioner..

Got a TOEFL Advanced Professional Skills degree for a test i had to do in the end of my lawschool studies, i learned english more naturally because of most relatives having lived in the states for a long time, so this the only english related degree i have to avail my communication skills.

Also, i plan to save around $5000 or $6000 for any fees involved and to survive some time. I will be moving alone so the cost is less of a pain...