7 Financial Rules: Memorize these 7 financial formulas, and you will never fail in life..

50/30/20 Rule: As soon as you start your job and receive your salary, this is the first rule you should follow. The 50/30/20 financial rule provides a sense of financial freedom not just at the start, but throughout your life. This rule suggests spending 50% of your earnings on necessities and 30% on fulfilling hobbies and desires. However, before making these expenditures, do not forget to allocate 20% of your income toward investments or savings.

4% Rule: You should begin planning for retirement as soon as you start your career. The 4% financial rule states that you should withdraw only 4% of your accumulated retirement corpus during the first year of retirement. This withdrawal amount should be adjusted according to the inflation rate. For instance, if your retirement corpus is ₹1 crore, your withdrawal in the first year should be limited to ₹4 lakh.

Emergency Fund: One of the most crucial financial rules is maintaining an emergency fund equivalent to at least 3 to 6 months of living expenses. Adversity strikes without warning; in the current climate—where job loss is a possibility—having such a fund ensures you can cover essential expenses, medical emergencies, and unforeseen needs without falling into a crisis.

1/3 Rent Rule: Whether you live in a rented home or have taken a loan to buy or build your own house, you must keep one thing in mind: the associated cost should not exceed 33% of your monthly income. Keeping housing costs or rent at one-third of your income ensures that your other expenses and financial plans remain unaffected.

2x Investing Rule: Everyone appreciates luxury, and the growing craze for branded goods holds a strong appeal for young people. However, the 2x investing rule dictates that you should invest an amount equal to what you spend on luxuries. If you buy a pair of branded shoes worth ₹10,000, you should also invest ₹10,000. Naturally, you should only spend on personal indulgences if you are able to save an equivalent amount for the future.

The 20/4/10 Car Rule: Once you land a job and start earning, a car often becomes a primary need. The 20/4/10 finance rule dictates that you should make a down payment of at least 20% when purchasing a car. If you are opting for financing, the car loan tenure should not exceed four years. Furthermore, the total cost associated with the car should not exceed 10% of your monthly income.

The Rule of 72: The Rule of 72 is considered one of the most important financial principles. Before making any investment, this rule helps you determine how long it will take for your money to double. It indicates the timeframe required for your invested capital to double in value; for instance, if an investment plan offers a 12% return, you can estimate that your money will double in just six years.

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