It includes, among other things, a comprehensive map of the Cleveland area, grading each area from A+ down to F, using a consistent, objective and transparent methodology using publicly available data.

I am also an up incoming Pharmacy student at Binghamton University's new pharmacy school.

(Requires Roads, utilities, grading) We are in process of considering build one, here in GA, Would like to hear about challenges and things to look at?

And you can deal exclusively with A grade homes!!

For more info on rentals in Cleveland I suggest reading The Ultimate Guide to Grading Cleveland Neighborhoods. 

It includes, among other things, a comprehensive map of the Cleveland area, grading each area from A+ down to F, using a consistent, objective and transparent methodology using publicly available data.

How will you know if a property is investment grade?

That is with re-using the existing ducts, but getting the ducts in the entire house cleaned out really well would cost maybe $300 extra, tops.I haven't ever had to deal with a house with a crawl space, but just like with a basement, you can make sure the gutters drain away from the house, and that the soil is graded to slope away from the house everywhere. 

The Ultimate Guide to Grading Birmingham Alabama Neighborhoods is something I put together with a large Property Manager down there to help investors assess the level of risk and tenant base expectations when investing down there.

Does it only happen when it rains - check downspouts and grading around the house.