Rule of 72 - Part 2 - Double Your $

The Rule of 72 Part 2

example 25 year old earning 7.2% compound interest

72/7.2=10 years

Means every 10 years their investment will DOUBLE

25- $5,000
35-$10,000
45-$20,000
55-$40,000
65-$80,000

Important to understand you are either earning or playing it.