I found the reviews on support range from excellent to practically non-existent. 

The best way in reality - if you are willing to put in the time to educate yourself both on Excel and finance - is to build the model yourself.

With the power of Excel and/or Google Sheets, if you have a little programming knowledge there's the ability to extract and compile everything Property Radar gives you for free.  

WOW, excellent job in being educated on the real estate laws especially in a different state than you are living in. 

You've chosen an excellent source of information.

You can get excellent financing (depending on your situation) for 1 to 4 units when it is your primary residence.There are several tax benefits to owning over renting, but if you are renting out a residence you want to make sure that you have money to fix anything that may come up for your tenants.  

I'm located in Kansas City, we are getting excellent returns.

Your phrasing is excellent here!

Don't choose an agent who is excellent with couples wanting to buy a house to live in -- the priorities are radically different."

I've had a long time focus on helping distressed property owners, which results in generating listings with excellent investor potential.