At this point, and I have barely scratched the surface of learning the neighborhoods, most of the properties I have driven by (due to the attractive purchase price) have been in areas I would hesitate to invest in as they are particularly run down.

On the surface the rent vs the price looks very good

I am barley scratching the surface starting to study this stuff currently still out of work I relocated to Fort Wayne, IN. 

In summary, it's generally pretty disruptive to normal life, will take longer than you projected, will cost more than you budgeted and unexpected obstacles will likely surface.

Are those solid surface?

She's a little under market, but the upstairs apartment could be bumped up to around $800 - $850 / month.Purchase price, $45,000On the surface, it seems like it's going to be a crazy good cash flow deal judging from the 50% rule.

It gives you a level surface, and when I had asbestos tiles in the basement we covered with a thin layer of levelquick to keep the inspectors happy.

If you spray a few on the surface, a few may die, but the colony realizes somethings up, and moves elsewhere, damaging a new spot.

I have access to the MLS and Zillow,  and any internet site, but on the surface I can't seem to extract from these tools the information I need.  

So money different options out there and you have not even touched the surface.