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Financial Rules: If You Want to Get Rich, Internalize These 7 Golden Rules of Investing—They Will Change Your Fortune
Siddhi Jain | June 1, 2026 4:15 PM CST

Personal Finance Tips: Investment options include instruments such as stocks, bonds, and mutual funds; however, investing with the right strategy is crucial, and maintaining a secure emergency fund is equally essential for financial stability.

7 Rules of Investing: In the world of investing, there are numerous ways to grow your wealth. People allocate their funds across various options—such as the stock market (equities), bonds (debt), and mutual funds—based on their individual risk appetite and financial requirements. However, simply investing is not enough; it is imperative to invest with a proper understanding of the correct methods and underlying principles.

Furthermore, a critical point to remember is that one should not invest their entire capital; instead, a portion of it should be set aside and safeguarded for emergencies. With this in mind, the following 7 formulas are presented here to help you better understand the nuances of investing and steer your financial journey in the right direction.

The Rule of 72 and The Rule of 114

According to the Rule of 72, you can determine the approximate number of years it will take for your money to double. To apply this formula, you simply divide the number 72 by the annual rate of return. For instance, if an investment yields an annual return of 12%, your money will double in 72/12—that is, in approximately 6 years.

The Rule of 114 is a tool used to estimate the time required for an investment to triple or grow even further. For example, if an investment generates a return of 12%, applying this rule (144/12) suggests that your capital could quadruple (reach approximately four times its original value) in about 12 years.

The 50-30-20 Rule and The 100-Minus-Age Rule

Under the 50-30-20 Rule, you should allocate 50% of your income toward your essential needs, 30% toward your hobbies and discretionary wants, and the remaining 20% ​​toward savings. This rule typically helps establish a healthy balance between spending and saving.

The 100-Minus-Age Rule serves as a guideline indicating how you should allocate your investment capital between equities (stocks) and debt instruments, based on your current age. If you are 30 years old, it is generally considered prudent to allocate 70% of your capital to equities and the remaining 30% to debt instruments.

Rules for Investment and Emergency Funds

The “Minimum 10% Investment Rule” stipulates that you should invest at least 10% of your monthly income for the long term, and this investment amount should be increased by 10% annually. Following this approach helps build a substantial corpus over the long run.

According to the “Emergency Fund Rule,” a portion of your funds should be set aside to serve as a financial cushion during unforeseen emergencies. While there is no rigid rule regarding the exact size of this fund, it should ideally contain an amount equivalent to at least six months’ worth of living expenses; this ensures that you remain financially secure and face no difficulties in situations such as sudden job loss or illness.


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