Telephone is becoming obsolete.

IE 5 to 15k houses investors after they rehab them multiple times will finally give up.the same wholesalers who sold to Morris in the first place will end up buying them .. then the cycle repeats.some of this inventory is just functionally and economically obsolete but as long as you have companies like this spinning these tales.. newer investor just don't know what they don't know.. these are very well rehearsed sales pitches with very good objection handling techniques..

There’s also no doubt that he saw in person some of these burned out, economically and functionally obsolete houses he was selling.

Living area is the heated and cooled living space, if you have a small addition that isn't connected to the main heat/cooling source, it may not be seen as the main living space, functionally obsolete.

A 2/1 house is functionally obsolete.  

If an algorithm and app can guide you through all of it then agents could be obsolete. 

Its a tough problem in severly blighted areas of the US that are simply functionally and social obsolete.

Depreciation in mobile homes is usually more pronounced because of lack of maintenance and functionally obsolete floor plans.

@Chris Shipman Zillow & Trulia get their data delayed, anywhere from days to weeks which in Denver's market makes it obsolete since most listings will show up after they're already under contract.  

So then I am stuck with nearly obsolete panels on my house.