The lesson learned from Napster and other peer-to-peer services is that you cut out the middle man, but the middle man doesn't like that.

I am a rational person  and it happened to me. 

Instead of selling your catch to a middleman you would sell directly to the processor, eventually opening your own cannery.

Their is no logical rational for the CA market aside from too much money in the hands of people that do not understand the value of money.

It doesn't really make a difference to the planet,  but it makes you feel better,  so I guess you can rationalize it that way.

People who mention they are interested in looking into other types of investments will be open-minded enough to discuss REI further and weigh the pros and cons and potential risks rationally without being immediately dismissive.

Lots of people dont think rationally that you are an investor and the current rents are under market rate.

Selling for profit and/or returns and creating a smart exit strategy is the hard part.Your analysis is a rational decision process.

Don't listen to people who rationalize poor cash flow in their markets.

Of course Zillow wants to cut out the expensive middleman that gets a commission for "finding" that house for you.