Everyone knows about saving money is important. It is also wrong to save money thoughtlessly and let money stagnate in unused bankbook. How about make a goal, and saving according to this goal suitablh In reality, there is splitting bankbook' that method of investment techniques. It is smart method to grow our economic practice. For example, you can make three bankbooks. One is where you can deposit or withdraw freely. Another is bankbook that you will only deposit. The third is for managing monthly expenses. Although you may be confused by this method, it is better to notice your money flow. And thanks to notice money flow, you can control your unnecessary spending. It is helpful to have a smart daily life as a consumer and be ready for the future.