Rules of Wealth Creation-1 1) *Rule of 72*   No. of yrs required to double your money at a given rate, U just divide 72 by interest rate   Eg, if you want to know how long it will take to double your money at 8% interest, divide 72 by 8 and get 9 yrs   At 6% rate, it will take 12 yrs   At 9% rate, it will take 8 yrs   2) *Rule of 70*   Divide 70 by current inflation rate to know how fast the value of your investment will get reduced to half its present value.   Inflation rate of 7% will reduce the value of your money to half in 10 years.   3) *4% Rule for Financial Freedom*   Corpus Reqd = 25 times of your estimated Annual Expenses.   Eg- if your annual expense after 50 years of age is 500,000 and you wish to take VRS then corpus with you required is 1.25 cr.   Put 50% of this into fixed income & 50% into equity.   Withdraw 4% every yr, i.e.5 lac.   This rule works for 96% of time in 30 yr period