And of course I scan websites such as Redfin, Realtor, and Craigslist.

I bet you are looking at some serious reno costs (looking at the pics) but it would still likely make for a good house hack. 1br rentals do well in that area. 

First and foremost, thank God no one was hurt or killed!Thursday I got the call as a landlord you never want to get: "The house is on fire!"Naturally I had to do a double-take to make sure I heard correctly, as you ne...

From there, you can cross-reference (I usually have the main corner streets and count how many in it is from there or something similar.)I've attached a pic of one as an example.

You may want to checkout magic plan which allows you to virtually scan a room and create a floor plan and estimate material quantities.https://www.magicplan.app/estimates/

Some pics.

In addition, for every repair and purchase of supplies (such as water heater), I always ask for scan copy of receipts, so at least you know he brought a water heater from a legit store. 

I'm a father of 3 little boys and it's mostly pics of them or us as a family.  

I’ve been scanning listings and running numbers on a few houses but havent 100% grasped the concept of it all.

Suppose to be able to take a pic of he home and the app will find owner info, emails, number, etc, for a price of course.