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Rule of 72 explained: estimate how fast money grows

The Rule of 72 is a simple yet powerful tool for estimating how long it will take for an investment to double at a given ...
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What Is the Rule of 70 and How Do Investors Use It?

The rule of 70 is a calculation that estimates the number of years it takes for investments to double in amount at a specific, constant rate of return. It is frequently used when comparing investments ...