Is this enough to start investing?

[Chris Virgilio]

First, a little background:

My wife and I just moved to Greensboro, NC in January. She just passed her real-estate broker's exam last week and started with Keller Williams this week. We plan on getting involved with real estate investing, but are curious as to whether we are financially ready to start. 

Things have been good since we got here. I'm an air traffic controller at the local airport and have about $30K in my TSP account. We have about $6K in our emergency fund but will have to tap in to that a little bit as the starter fees for my wife's real-estate broker career come due shortly. I want to get involved in my spare time, and am a bit jealous that she is started in the industry before me. So the question is, do we have enough to get started?