Beyond the tax advantages, this method also helps wealthy families minimize opportunity costs. By borrowing against their Bel-Air mansion, Jay-Z and Beyoncé can invest roughly $110 million in their various business ventures or even the S&P 500, which has delivered a compounded annual growth rate of 13.66% over the past ten years.By borrowing money against an asset they can easily afford, Jay-Z and Beyoncé seem to be pulling from the “Buy, Borrow, Die” playbook. The strategy involves acquiring appreciating a ...