As a student, I need to learn how to save money, especially when I live alone. We have to live on a firm income or pocket money daily and save for the future without waste, so we should save money. There are many disposable things in our life, such as plastic bags and paper. One example is saving paper money. There is a lot of waste paper in the office or library. If we ran out of paper, we would buy a new one. However, it takes money to buy a new one, so if there is still a part that can be used, we can reuse it as waste paper to save money. Another method is to turn off the lights and TV when we are not using them. If we keep turning on the light, a lot of money is spent. However, if we turn off the light or the TV, we will not spend much money. So we can save money by turning off the light. Third, energy saving is also important to learn how to recycle and dispose of waste. You can consume less energy by recycling, i.e. using your own bag instead of a plastic bag. Most stores provide plastic bags to customers. The plastic bag is durable and very useful for me. However, by producing plastic items, it releases oil as a raw material to the earth. It could lead to global warming. If I use my own bag instead of the plastic one, I can save on oil release. Even nowadays some markets make money by buying plastic