Wealthy people don't mind these small expenses. They even install a boiler in their own houses to provide heating systems and buy a washing machine to do laundry anytime, anywhere.,For the poor, these are unnecessary and unaffordable expenses, so their lives must become more regular.,For example, do you know that the land under your feet will be worth its weight in gold a hundred years from now Do you know that the price of art will soar year after year Do you know...。