It also allows them to show up on the Google Display Network (many of the ads here on Bigger Pockets are from Adwords).

Even realtors try to manipulate comps and so I often will have to advise the realtor to make some adjustments to a comp if the properties utilized in the analysis, area or some other characteristic do not align with the subject.If you have the capability to capture the amount of real estate transactions such as Zillow does; not just in a particular city, state but at a country level, including granular details of those transactions, you have a right to make logical and defensible opinions about market place events and behavior.

I can tell you, down to the penny, where my money has gone in the three most important categories of money behaviors: Giving, Saving and Spending. 

I've looked at AirDNA but it seems to have a lot of noise on it and doesn't accurately display the cost per rental.

They link together nicely.It's pretty good but lacks some functionality that I really could use right now.I need software that allows drawing page revision management, which will carry forward any/all takeoffs, markups, comments, etc from the previous page revision to the latest revision (or just display them as a layer) - E.g.

I will chime in - all tenants should be forced to have rental insurance with there pets listed-  breed - has no factor in a dogs behavior.  

All you had to do was look at the thought patterns, behaviors and rhetoric of early 2000s REI seminar junkies to see how to make money off them.

The far left radicalism displayed during that protest tainted the democrats during that year's election.

I tend to agree with Gloria here on the pattern of behavior hinting at a possible "professional tenant" that knows how to work the system (and live rent free for extended periods).

This is shady behavior from an agent.