They also enable more homeowners to sell homes, by reducing the number of people who owe more on their mortgages than the homes are worth.

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Zillow also analyzes median home prices, taking into account all of the homes that sell at any given time.

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Also at play is the fact that aging boomers will be reluctant to sell their homes for two reasons.

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He's also worried that a lot of people who bought investment or second homes recently could get spooked and sell them.

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They also advise entrepreneurs to look inside their homes for the capital, as they may be able to sell their own items on eBay to raise money.

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