Write a business plan setting some goals given your stage in life and earning power.  

HOWEVER, since I received ~50K of pure tax free income (rental income - expenses - depreciation for last 4 years), I am really going to break even on this.Such is the power of deprecation.

Instead of the offer being just about exchanging a certain number of dollars for a house, it becomes a solution for a problem and makes it much more powerful.

Give me a discount on the 4 units and let me deal with tenant problems, leaseups and move outs.Its just a lease that cover all the units with subletting powers.

Hopefully the links below will be helpful to you.If you haven't already, start here: http://www.biggerpockets.com/starthereFind and connect with other BP members that are in your area: http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/alertsCheck out BP Podcasts: http://www.biggerpockets.com/renewsblog/category/podcast/One last thing, do not underestimate the power of posting in the forums and and attending local meetups to build your network. 

Whatever you do at this point in the cycle, you just have to understand the potential downsides, have a plan B/C/exit, and have the staying power to sustain the next softening..

GFCIs measure the balance between power supplies and power consumed.

In my opinion too many people want to be "in charge" and they lose out on a very powerful asset they have right in front of them which is there employees

@Clayton Smith, if you can provide a quality service then more power to you!

Point is that you are taking all the risk and that they have all the power to screw it up.