You have an incredible opportunity so be careful, be patient and take some time to get advice from multiple different people.  

Specifically with low interest rates and extremely tight fisted consumers.He has a great take on 'Risk On' investments: http://www.bloombergview.com/articles/2013-01-30/where-to-invest-while-markets-remain-risk-on-Basically investments that perform well in a downturn or bad environment.

For the past few years, my Realtor-side has been incredibly busy.

In the mind of a potential customer, especially in a competitive sales environment, having a license gives you an automatic "+1"Unlimited Affiliate Assistance.  

Finding deals like this wholesale wise would be incredibly difficult...but this might give you a starting point through retail.

To buy a 4 unit for $150,000, numbers will look incredible but you will most likely be dealing with lower quality all around on average. 

This article points to Jacksonville's excellent environment for entrepreneurs.  

To Skylar's point there is often a lot of value in utilizing good debt, especially in today's environment.  

Stay away from condos, unless "incredible" deal.

The business model is incredible and the technology they offer is cutting edge.