All in all if the numbers work and both sides feel like they are getting a good shake and it passes the smell test I think it's just a matter of what that individual person is comfortable with in moving forward.  

You must test it during the inspection.

.- look at the historical data of the sales.

If your not working with a realtor, I would suggest collecting data from all the major sites, Trulia, Zillow, Realtor.com etc...

Have the proper tested for mold.  

Of course, they have not done a CMA, have no idea about recents sales and comp values, so they just grab a number out of thin air based upon some anecdotal info ("I heard another house 3 streets over sold for $200K, so...").I REALLY appreciated your info @Terry Evans - I love that kind of testing and hearing the results of it.  

https://www.google.com/maps/place/BJ's+Restaurant+%26+Brewhouse/@39.2904,-84.46667,17z/data=!

if you look at the data, most areas appreciate about in line with inflation.  

Also look for areas with population growth Where to find your dataIn terms of the input data we discussed above, here is where you should be looking for each of these: Property Details: This information should be available from the seller, but more comprehensive and detailed information can also be obtained from your local County Records OfficePurchase Information: Obviously the seller is going to name a purchase price (which will likely be negotiable, of course), but the more important information here will be any upfront maintenance or improvement work that needs to be completed to ensure that the property can (or continue to) meet its income potential.

College (degreed in anything) means they know how learning is structured, prerequisites to learning to build on, communication skills, testing (yes, testing as you can't advance until what is been taught has been determined to have been learned).