Personal finance is a key component to your success as a physician. Your clinical practice does not exist in a vacuum unaffected by circumstances and decisions in your personal life. Though some events in your personal life that can negatively affect your practice are random and unavoidable, consistently making sound decisions regarding your personal life and finances will allow you to continue practicing at a high level. Most core principles of personal finance are common sense and do not involve high level math. Although the concepts are straightforward, people, including physicians, routinely fail to make good decisions at the most elementary level. The core common sense principles for financial success are: do not get divorced, manage your own money, live in a state without state income tax, and drive an old car. Follow these tenants and the path to successful and satisfactory retirement will be smooth.