Your best bet is to call around and present your question to local banks, small local credit unions, and the national SFR buy-to-rent finance companies such as B2R, Colony and Firstkey and compare terms, rates and fees.  

If someone can get a comparable unit for $700, they're not going to pay $800 and certainly not $850. 

Your point about response rates in wholesaling is a good one- it makes more sense to compare something that is very similar.  

I don't qualify for a loan mod or refinance my income is way way way to low compared to this expensive townhouse.    

Our maintenance expense in newark historically runs about 10% The 6 family buildings can be the toughest to manage and fill as compared to larger 10+ units or 2-3 family homes.

But, when you compare that property to the market you do not add or subtract values to the subject, you do that with the comps bring the comps in line with the subject property. 

The value of each is determined on its own, then they are compared as alternative paths to take. 

The last 5 homes sold anywhere from 58 to 68k the closest home comparable  was sold for 65k.

There isn't any heat ducts shooting into this hallway so it's going to be really cold compared to the inside of the units.  

But this year I would like to price compare them.