"House prices just soared beyond - beyond reason in many places and they got financed in silly ways, and people lied about loans, all kinds of accesses entered into it. But that is what - that is the single biggest cause of why we're here."

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If you really think that houses prices are going to go up next year and the year after, you feel if I don't buy it this year, I'm going to have to buy it next year. [...] And when somebody makes it very easy for you to do it by saying you don't really have to put up my money, you can lie about your income a little, or we'll give you 100 percent mortgage, you're going to do it, because everybody that's done it has been proven right. You have what they call social tools, and, you know, you're going to feel like an idiot if you didn't do it, because the house cost more.

— Howard Warren Buffett