If you are like most investors, you probably have some extra cash sitting in your brokerage account. The cash may come from interest or dividends and may be considered temporary, it may be a result of a short-term asset allocation decisions, or it could be a strategic allocation to get exposure to fluctuating money market rates. Regardless of the amount, it’s time to start paying attention to where your unused cash is held. It can be the easiest money you will ever make.