Creating a positive attribute, by removing the total debt owed and settling the account for less than what is due.

Some of the real estate price patterns in Canada (Vancouver, Toronto etc.) is attributed in part to increased foreign investment activity in the real estate sector there. 

This is also your first point at which some degree of error can be introduced, as AVM's are typically based on public record sales, and public records don't include attributes like view, curb appeal, and other less tangible items that can effect price.

Each individual series, as long as assets are clearly tracked and attributed to that Series, conducts business fully independently. 

UBIT is due on the UDFI  - unrelated debt-financed income - generated by a property (the portion of income attributable to the debt).  

HOA fees are on the rise, attributable to the new minimum wage and the cost of water. 

Hungry is a good attribute.

Also, Zillow.com has some good attributes.

Some of this can be attributed to lazy and lack of attention to detail put that is not to be confused as a reason for it to be improperly setup.

My start in RE could be attributed to my Dad's story about making more money building houses during the summer than he did teaching.