Then there are some hybrid thoughts, like Ian's above, that mesh the two....he seem pretty logical by the way.  

@Ian Whiteman - it is a duplex, the revenue it brings in has nothing to do with the value. 

Phase I: An assessment and report prepared by a professional environmental consultant who reviews the property, both land and improvements, to ascertain the presence or potential presence of environmental hazards at the property, such as underground water contamination, PCB's, abandoned disposal of paints and other chemicals, asbestos, and a wide range of other potentially damaging materials.

-Ian

-Ian Godfrey  

Thank you @Ian Walsh

Thank you @Ian Kurela, @Chuck Stagliano, @Amie Lieurance, and @Loretta Chang, for your comments and PMs.

@Ian McKeown, all of my business is relationship based.  

As @Ian Walsh said, if you gotta ask you already know the answer.

@Ian Hooper I guess its a hybrid situation.