家庭理财三个法则4321法则:即收入的40%用于供房及其他方面的投资,30%用于家庭生活开支,20%用于银行存款以备应急之用,10%用于购买保险。72法则:本金增长一倍所需时间(年)=72/年报酬率(%)。举例来讲,如果你在银行存10万元,年利率2%,每 The three laws of family finance 4321 rule: that is, 40% of income for housing and other investments, 30% for household expenses, 20% for bank deposits for emergency use, 10% for the purchase of insurance. 72 Rule: The time required to double the principal (year) = 72 / annual rate of return (%). For example, if you deposit 10 million yuan in the bank, the annual interest rate of 2% per