The five basic money knowledge that I found necessary to revise them based on my experiences are stated as follows, that are, Risk and Return, Opportunity Cost, Compounding, Time value of money, and Car loan.
1. Risk and Return
It is well-known that the level of return is always equivalent to the level of risk taken. Nonetheless, nothing is certain in this world, so that this rule of thumb. For example, the risk may appear much higher than its actual risk due to irrational behaviour of human beings. When this situation happens, you can actually get very attractive award by taking a little risks.