Hey buddy, this was recently discussed in the following thread:
http://forumserver.twoplustwo.com/17...nances-771192/
You're probably better off posting your question there.
I believe they said you want something along the lines of ~6 months living expenses, so you should have 9k in your savings -- and that's probably being somewhat conservative as you want to account for unfortunate events. Granted, 6k is solid for a $1/2 roll if you're a consistent winning player. Do you know what your winrate was before when you were playing that 2 years? To play full time you're going to want to track your results and be sure you can beat the game.