your discovering the B /C issue should have been evident on your personal inspection.. and of course that Is subjective.I like the South Carolina listings they have a little blurb.Is square footage is important to you MEASURE  in other words its what they think it is but don't rely on it and if its important measure it yourself..

Rooming houses often have more stringent rules than renting apartments.  

Having the vacancy, capex, ect. accounted for is always a good measure.

Profits can never be measured before the day you sell.

For example, if the city has a multifamily measuring 3000 square feet of living space, will the total square footage of the three condominiums also equal 3000, or is a different means of measurement used. 

The Salesmen minimizes or ignores weaknesses, emphasizes strengths, ignores data he does not like, and substitutes bad temper and clownish insults for measured & substantive responses.3)  The Salesman if often, but not always, located in NV or UT.4)  The attorney explains things in a clear manner with citations and evidence. 

Tenants should take a measure of responsibility for acts outside your control.

All of their residential or mixed use projects are Apartments due to liability for condo builders (Washington State Law is pretty stringent). 

Cash on cash return is just one way to measure the value of a multifamily investment.

They tend to have less stringent requirements.