We all assume this isn’t a house you’d buy with your own money.

I currently have a 4/2 SFH/LTR/Section 8 house under contract and I am getting quotes for property insurance.

Free healthcare free cell phones free housing.  

Lots of older houses but there seem to be several that have the potential for cash flow and while not exactly modern on the outside, have been renovated inside. 

Rents have been pretty close to what the housing authorities advertise, sometimes even a bit higher.Fort Wayne’s a solid spot with low taxes and good cash flow—definitely worth looking into.

This is an obvious fair housing law violation because you are choosing which prospect get the concession.

He'll still be renting - just from you instead of others, and at all the costs to you that you have enumerated.Your son doesn't "need" to buy a house.  

Like any city, there is dilapidated housing stock in rough areas that can cost more to upgrade than they are worth. 

And, if you’ve been in your house for a few years (or longer), there’s a good chance you’re sitting on a pile of equity — maybe even more than you realize.What Is Home Equity?

It seems to me that they all whether paid of free, will all have the same exact amount of houses because all the transactions are all public and so they seem to compete with each other based on the quality of the data of the houses, how up to date it is, and the user experience in configuring the how the layout is.