In the first two parts of the deeper dive the positive side of the rule was explored. Now I’m going to do a quick look at the dark side of the rule of 72…
In part one the example of a 14 year old who invests $5000 one time of the money earned while babysitting showed the power of compounding over a long period of time. Of course as effective as it to invest one time for a long period of time is the most effective way to make use of this is to do the same process multiple times .
Parcheesi with 72 Spaces
Previously I went over briefly the Rule of 72. After going the rule over with a few people in the last couple of weeks it seems the power of the tool is lost until it is applied in a personal finance context. The math behind the rule is simple. The number of 72 is divided by the interest rate of an investment equals the time in years the money will double.