We have this already - it's called the stock market and bond market. If you want to distribute the risk of investing in real estate, I suggest taking a look at

We have this already - it's called the stock market and bond market. If you want to distribute the risk of investing in real estate, I suggest taking a look at REITs, real-estate investment trusts. They are companies investing in real estate required to pay out a certain % of profit in dividends.