Whether you can become wealthy does not depend on the amount of your annual income, but depends on if you invest a small fraction of income continuously in a long term stock investment, which is very easy and does not waste time in your dairy life. There is no other way. The most important instruction to young adult who start earning is that they can become wealthy if a small fraction of their earning is invested every month (or every year) in stock or fund most suitable for long term investment. This works for older people if they have not invested in stock market. The author wishes all people become wealthy by investing a small fraction of monthly earning. However, some fundamental knowledge, which majority of people doesn't have, is necessary. This book is to provide in very easy way to understand. The best way to achieve this goal is to buy and sell stocks and funds directly with a stock trading account at a discount stock broker, but not in any other way such as trust investment managed by banks or other investment companies. Trading stocks and funds particularly for long term investment is no more cumbersome than managing a saving account in a local bank. This book also explains intermediate and short term trading in stock market in details for faster ways of making money. However, intermediate and short term trading is not recommended until you have accumulated some money by long term investment, or you have some good amount of capital.