It seems now that a dollar is not the same as that ten years ago. We can not use it to buy as many things as before. No one can deny that one dollar is worth 100 cents. The amount of money is fixed but the value has experienced great changes. Do our living conditions get decreased? Many people are confused about this question. All the goods are ruled by the axioms of supply and demand. We all know that workers earn more than before, as a result, they have more to pay for what they need or what they like. The great demand promotes the price to go up. At the same time, if there is a shortage, the price also goes up. According to the economists, the value of money depends on the cost of living. The cost of living is what we spend on the necessities. The food, housing and medical expenses have increased largely these years, so the value of money has decreased. For some people whose salary has not increased much, the expense of living becomes a headache. Don't worry about that. To help you better manage your salary and keep the quality of your life, here comes some money saving tips. First, you need to set ambitious goals to encourage you to save money. For example, you plan to have a formal dress in one year, to own a car in five years or to buy an apartment in twenty years. Second, stay away from those that waste money. Learn to keep a diary of how much you spend and what it is for. Planning a budget is important. Budget helps you to spend money wisely though the cost of living increases. So, how do you make a budget? There are numerous charts and software and all kinds of things that you can buy to help you. They're all fine, but all that you really need is a notebook, a pencil and a small calculator. Just sit down and annotate everything that you spend money on in a month with these tools. Everything! Think twice before using money on expensive skin care products. The best way to keep your skin in good condition is sufficient sleep. After you know exactly where your money is going, you can have chance to get rid of your bad consumption habit. Following them your daily expense will be cut off easily, but still keep the quality of your life. According to the passage, which way is the best to keep a balanced life?