When most of us dive into our first home business venture, we are filled with visions of wealth, comfort, security and freedom. We have a general idea of where we'd like to end up financially, and we work hard to get there. Some of us make it there quickly, while others may take a little longer. But at what point would we consider ourselves to be "successful?" Once we're earning a million dollars a year? Once we can afford that mansion we've had our eye on? Once we're wearing...