Good point. What you're describing, at core, is leverage. The general principle of leverage is that it exaggerates the market's natural results. When things go

Good point. What you're describing, at core, is leverage. The general principle of leverage is that it exaggerates the market's natural results. When things go up you stand to make a lot of money. But when things go down you stand to lose a lot of money. One mistake (IMO) many people make about housing is not adequately thinking through the second possibility.