"But what if there is tons of foreclosures all of a sudden", simply put so what.

Then there was the incredible beauty of NZ for 2 week jaunts with the Uni Ski Club, skiing in shorts & 90cent jugs of beer.If things were suddenly different here, I would be back in Australia !!! 

So suddenly they become sub-prime borrowers stuck with a high dollar prime mortgage.

I saw one guy who managed grocery stores for seven years, went through some course with another well known syndicator and suddenly, boom, he is raising a fund to buy apartment buildings.

If you get a rent roll, profit and loss, leases and monthly bank statements that shows the payment history of the tenants, there is no reason to believe they will all of a sudden become bad tenants. 

Even though numbers are not that bad why display them all of a sudden? 

It won't matter if Zillow joins REALTOR or not, they already have the lions share of traffic and if they suddenly get blocked I don't think it will stop them, it will be a death for REALTOR as their brand is no longer valuable.

I notice that I can feel down/discouraged for a day or two, and if I just ride it like a wave, I suddenly get new inspiration or an idea to try. 

Sudden, rapid growth can make 100k disappear pretty fast. 

In fact, the entire post was based on an apparent unfriending and blocking of such a sudden nature that it made me wonder.