We have all read stories about people who have experimented living without spending any money whatsoever. By growing their own food, washing in the river, using a solar panel to provide electricity, and bartering for certain goods and services, these adventures have met with limited success. However, for us mere mortals the simple fact is that we need money. Money to buy food, to purchase clothes, to pay our bills, as well as indulging in our other infinite wants and desires.