They all will have opportunity under $110K and definitely wouldn't qualify as B grade neighborhood.

Give The Ultimate Guide to Grading Cleveland Neighborhoods a read.

I recommend going with inexpensive Grade A granite.

Having said that I have found that the costs of rehabbing a 1200 sq ft. row home needing medium grade fixtures to be around 60-65k.

Also, your investments need to be institutional grade to make sense of the expenses involved as well. 

If an area is an "F" grade ghetto dump, then its a ghetto dump!

Im looking at the code and the legality of tiny homes.You dont need a permit to build a one-story detached accessory buildings used as tool and storage sheds, playhouses and similar uses, provided the gross floor area does not exceed a set amount of square feet, the plate height does not exceed a set feet in height above the grade plane at any point, and the maximum roof projection does not exceed certain amount of inches.

I know the assumption is that investor-grade work tends to be done much more cheaply than owner-occupant-grade work, and those sites always seems more geared to owner-occupants. 

West, consider the average income levels, the crime rates, the school district grades, and any other indicators of your interest.

I taught is kids when they were in the 2nd Grade!