As bank customers, we tend to believe that we can have both...

As bank customers, we tend to believe that we can have both perfect security for our money, drawing on it whenever we want and never expecting it not to be there, while still earning a regular rate of return. In a true free market, however, there tends to be a tradeoff: you can enjoy a money warehouse or you can hope for a return on your investment. You can't usually have both. The Fed, however, by backing up this fractional-reserve system with a promise of endless bailouts and money creation, attempts to keep the illusion going.