The woman missed recent, relevant comps and appraised 3 homes with distinct, different characteristics (bedrooms, updates, land), all for the same value.

Price discrimination based on those characteristics is lawful discrimination, "owns a rental property" is not a protected class. 

It has characteristics that are both similar and different from long term rentals and short term rentals, hence the distinction.

Directly beneath that is the Compact Property Record Card, which opens as a PDF.On the left hand side of that, you'll see the officially-official Building Characteristics and Total Living Units.If you see "Total Living Units 2" at the bottom of that section, that's what you want.

It doesn't really comp a house based upon the individual characteristics of a house.

But must be verified by 60 day history, and must be a gift with no requirement to pay back.Reserve Requirements 3-4 Unit owner occupied properties must have 3 months PITIThree (3)- and Four (4)-Unit Property The maximum mortgage amount for the three (3) - and four (4)-unit properties is limited, so that the ratio of the monthly mortgage payment, divided by the monthly net rental income does not exceed 100%, regardless of the occupancy status.Livable Conditions The property must demonstrate the following characteristics: A continuing and sufficient supply of safe and potable water under adequate pressure and of appropriate quality for household uses.

Wondering what characteristics make up a good REO agent?

Each with it's own characteristics and price points. 

It doesn't seem like some of the location/environment characteristic is exactly helping though.

Is adjusting comps by VALUE OF EACH characteristic of a property just a rule of thumb or is this a method everyone should use for they’re ARV?