I don't think it's worth it because it looks like there is not enough meat on the bones.

I don't know if any of my experience will transfer to your country, but I have noticed over the years that despite the number crunching and research, real estate is ( for me at least ) a people business.

Think in terms of green yellow red communication in these reports.  

At 60K a house that puts me at a 3.84 million dollar loan. 25% down is 960,000.

Most utility water meters have a small red or black dial on the face of them that is a leak detector.

Or is that a red flag?.

You're signing up for an absolute meat grinder of a job with the hope that you can someday stabilize it and build something that could be put on cruise control or sold.As for tactical advice, tap into your network and alumni network.

I have them all replaced. 2. curtains/drapes are stained with food and whatever red, purple color. 3.

Usually I have learned that paying an upfront fee to lenders is a big red flag - so what's the deal here? 

Pete aren't highly rated so targeting families at a higher price point for single family homes doesn't seem possible to me at the moment since these house are more expensive and most families will commute to private, charter or magnet schools so location doesn't mean as much.