Where the existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing.2.

If the insulation is wet, it should be replaced so the substrate does not deteriorate from the moisture, compounding the problem.Once you've determined what is causing the ponding and address it; your next step would be to pressure wash the roof area to remove any coating no longer adhered to the roof system.

Colorado is quickly deteriorating like the coastal states.

It seem a rough neighborhood, any concern the area will deteriorate?

The best-case benefit I can think of is an absentee owner of a rental property who perhaps hasn't seen the property in some time, and might be interested to see its state of deterioration or the cars and trash in the front yard.

Properties in high crime, deteriorating areas.  

They want a new neighbor and the house is starting to deteriorate and look vacant even though they’ve been mowing.  

There was no rot or deterioration in any of the sheet rock despite almost 20 years of showers. 

Issues include jacket deterioration,  lack of grounding and overall under-sizing to support modern electrical demands.

While it may be correct that houses from the 1900's and 1920's may require extensive reconstruction and structural design due to its substandard or deteriorated condition, the philosophy for some Realtors/investors is 'the older the property, the better'.