I prefer seller financing so I keep the deed.

ThanksThere's nothing wrong with a tenant requesting assistance as long as they are communicating with you and making the effort to keep up on rent and responsibilities. 

This does not mean I want to quit. 

Did you keep the buyers earnest money deposit? 

I keep reading that it will be so hard to seperate the costs for each unit.

Keep in touch! 

I mean, most of these people are in a rock and a hard place and need help. 

Could someone help me understand what this means for me?

Thats the first step... step 2 is the hardest which is to keep in touch with everyone.This is not to be mistaken with the act of printing dozens of business cards and handing them out to everyone you shake hands with.

So I was playing around the data and created a simple interactive map for housing market data visualization by counties across the US, like home prices distribution, mean days on market, listings number, etc.