The largest ongoing fee is your CPA's fee for annual taxes.

The largest pool (no idea on %) have never done a larger multifamily deal, maybe never a deal at all. 

What do you do to ensure that the tenant is responsible for security deposit disputes since that is the largest reason for owner lawsuitsHow familiar are you with the newly changed laws that can affect you the owner if they are not used correctly?

I bought the place new in 2009 and spent $270k furnishing it with a decorator and installing my own cabinets and appliances.2) Eddie - Houston is the 4th largest city in the country, I cant believe you said that and honestly believed $3.7M was only for LA or NYC.

Intel has there largest employee base here so they CANT leave  tourism and AG and you know how switched on those AG folks are.. then you have the PDX  inner city folks  Keep Portland weird just watch Portlandia it is not far from the truth and actually I would say is a pretty good representation of many of our esteemed residences..

I am down in the panhandle , the warm banana belt of the state (raining like crazy now) but I like that, like our large state, you have Alaska sized goals..

By the way it's the KW metropolitan (The largest KW in Houston). 

So, while you pay more up front, and therefore can't buy as many to begin with, they offer distinct advantages.  

The largest issue I have ran into is owners not knowing what they've got on the MLS.

Trustees will talk to another attorney, especially one who they know (our attorney worked at one of the largest trustee firms around before starting his own practice. ) Case in point... once we won a bid and for a few reasons wanted to delay getting the trustee's deed as long as possible.