I’m sure everyone’s heard that E = MC2. Allow me to introduce you to Luca Pacioli’s Rule of 72. Here’s how it works. If you know the return you’re earning on an investment (say, 6 percent per year), divide 72 by that number (72 / 6 = 12). This gives you the number of years it’ll take for your money to double. If I invest $1,000 with a return of 6 percent a year, it’ll compound into $2,000 in 12 years without my investing another cent. That balance goes up over time, because the money I make makes more money, which in turn makes even more money. When you’re an investor, the Rule of 72 is your
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