What are the stupidest money mistakes most people make?

Asked by: Sim Kunze  |  Last update: January 31, 2026
Score: 4.3/5 (54 votes)

The stupidest money mistakes people make involve living beyond their means (debt, 'keeping up'), neglecting future planning (no emergency fund, delaying retirement/investing), making emotional decisions (panic selling, impulse buys, gambling), and lacking basic financial literacy (not budgeting, buying products they don't understand). Key errors include high-interest debt, failing to save early for retirement, and succumbing to instant gratification, which hinders long-term wealth building.

What are the dumbest financial mistakes most Americans make?

Common money mistakes include overspending, lacking emergency funds, carrying high-interest debt, and not investing in the future. Many also fail to budget, underestimate retirement costs, and make emotional decisions that negatively impact long-term goals.

What is the 3 6 9 rule of money?

The 3-6-9 rule in finance is a guideline for building an emergency fund, suggesting you save 3 months of living expenses for stable, single-income situations (or dual-income with minimal risk), 6 months for most families or those with mortgages/kids, and 9 months for self-employed individuals or sole earners with fluctuating income, providing a buffer for unexpected job loss or emergencies. 

What are some common mistakes people make with money?

Some Common Mistakes in Money Management

  • Not Knowing Where the Money Goes. ...
  • Failure to Set Priorities and Goals. ...
  • The Tendency to be too Trusting. ...
  • Lending Money to Relatives and Friends. ...
  • Waiting too Long to Plan For Retirement. ...
  • Paying Interest Rather Than Earning It. ...
  • Instant Gratification and “Keeping up With the Joneses”

What is the 70% money rule?

The 70% money rule typically refers to the 70/20/10 budgeting strategy, where 70% of your after-tax income covers essential living expenses (needs like housing, food, transport) and discretionary spending (wants like entertainment), while 20% goes to savings/investments, and 10% to debt repayment or donations, though these percentages can be adjusted to fit personal financial situations. Another use is estimating retirement needs, suggesting you'll need about 70% of your pre-retirement income to maintain your lifestyle. 

5 DUMB Money Mistakes People Make (DON'T DO THIS)

28 related questions found

What is the $27.39 rule?

The "27.39 Rule" (often rounded to $27.40) is a personal finance strategy to save $10,000 in one year by setting aside approximately $27.40 every single day, making large savings goals feel more manageable through consistent, small habit-forming deposits. This method breaks down the daunting task of saving $10,000 into daily, achievable micro-savings, encouraging discipline and helping build wealth over time. 

How to turn $10,000 into $100,000 in a year?

Turning $10k into $100k in one year requires high-risk, high-reward strategies like aggressive stock/crypto trading, flipping assets (websites, real estate), or launching a scalable online business (e-commerce, courses) with significant effort and skill, as traditional, lower-risk investments won't achieve 900% returns quickly. Success hinges on rapidly increasing income through business or high-risk investing, alongside intense focus, discipline, and significant time commitment, with the risk of substantial loss being very high. 

What are the 13 retirement blunders to avoid?

The 13 Blunders

  • Buying Annuities.
  • Being Too Conservative in Investing.
  • Ignoring Foreign Stocks.
  • Paying Excessive Fees.
  • Trying to Time the Market.
  • Relying on “Common Knowledge”

What is the 1234 financial rule?

The number 1234, often seen as an "angel number," signifies financial progress, career advancement, and building stability through practical, step-by-step actions towards your goals, encouraging organization and persistence for future prosperity, rather than immediate wealth. It's a message about following your path, taking incremental steps, and trusting the process to manifest financial security, blending personal growth with material success. 

What are the 5 C's in finance?

In finance, "5C" almost always refers to the 5 C's of Credit: Character, Capacity, Capital, Collateral, and Conditions, a framework lenders use to assess a borrower's creditworthiness and risk before approving loans, covering their reputation, ability to repay, financial strength, assets pledged, and economic/loan specifics.
 

How long will $500,000 last using the 4% rule?

Your $500,000 can give you about $20,000 each year using the 4% rule, and it could last over 30 years. The Bureau of Labor Statistics shows retirees spend around $54,000 yearly. Smart investments can make your savings last longer.

What are the 3 M's of money?

"3 Ms of money" typically refers to Make, Manage, and Multiply (or Maintain) money as core principles for financial success, focusing on increasing income, smart budgeting/saving, and growing wealth through investments. Other variations include Mindset, Meaning, and Money for personal finance, or Measure, Manage, Monitor for cash flow. Essentially, it's a framework for holistic financial health.
 

What is rule 69 and rule 72?

Rule of 72: It is used for the simple compound rate of interest. Rule of 70: It is used when the interest rate for the financial product is of a compounding nature, not of continuous compounding. Rule of 69: It is used when the interest rate is given is continuous compounding.

What not to do financially?

  • Spending More than You Make. ...
  • Not Tracking Your Money. ...
  • Not Setting Financial Goals. ...
  • Dependence on Credit Cards. ...
  • Lacking an Emergency Fund. ...
  • Telling Yourself Financial Lies. ...
  • Not Taking Advantage of Free Time to Earn Extra Money. ...
  • Putting off Retirement Savings.

What is the #1 thing that makes Americans feel wealthy?

Quality of Relationships

Topping the list, 83% of Americans feel wealthy when it comes to their relationships. The strong relationship between family, friends or partners provides a fulfillment that money can't buy.

Can you retire at 62 with $400,000?

Yes, you can retire at 62 with $400k, but whether it's comfortable depends heavily on your expenses, lifestyle, other income (like Social Security/pension), and how long your savings need to last, requiring careful budgeting, a strategic withdrawal plan (like the 4% rule for $16k/year), and potentially delaying Social Security for more income later. It might be tight, but working a few more years or significantly cutting costs can make it much more feasible. 

What is the Suze Orman 4 rule?

The 4% rule helps you establish a safe withdrawal rate. Suze Orman says not to follow the 4% rule because you may take out money when you don't need it and not have money when you do. Other evidence also points to the fact following the 4% rule is a bad idea.

What is the 70/20/10 rule money?

The 70/20/10 rule for money is a simple budgeting guideline that splits your after-tax income into three categories: 70% for Needs (essentials like rent, groceries, bills), 20% for Savings & Investments (emergency funds, retirement), and 10% for Debt Repayment & Donations (extra debt payments or giving). It balances immediate living costs with long-term financial security, helping you cover necessities while building wealth and paying off liabilities.
 

How many people have $500,000 in their retirement account?

While many Americans have less than $10,000 for retirement, around 7% to 9% of U.S. households have $500,000 or more in retirement savings, though this varies by age, income, and specific data source, with older, higher-income individuals having higher balances. For example, some 2025 data suggests about 9.3% of households with any retirement funds hold $500k+, while other reports from late 2025 place that figure closer to 7.2%. 

What is the number one regret of retirees?

The #1 regret of retirees is not saving enough money, with studies showing a large majority wish they had saved more and started earlier, leading to financial stress and limitations in their desired lifestyle. Other major regrets often center around a lack of planning for time, health, and experiences, such as working too long, putting off travel, or not planning for future healthcare costs, says financial experts and financial planning sources. 

What does Suze Orman recommend for retirement?

Suze Orman's key retirement advice emphasizes starting early (15% savings from age 25), prioritizing Roth accounts for tax-free withdrawals, maximizing employer matches, waiting until age 70 for Social Security, building a large emergency fund (2-3 years' expenses after 50), and considering home equity (reverse mortgages) for income if needed, all while living below your means to save more today for less spending tomorrow. 

What is the $27.40 rule?

The "$27.40 rule" is a personal finance strategy to save $10,000 in a year by consistently setting aside $27.40 every single day, which adds up to over $10,000 annually ($27.40 x 365 days). This method makes saving less daunting by breaking a large goal into small, manageable daily habits, fostering discipline, and helping build funds for emergencies, debt repayment, or other financial goals. 

How much money do I need to invest to make $3,000 a month?

To make $3,000 a month ($36,000/year) from investments, you need a significant principal, with estimates ranging from around $300,000 to over $700,000, depending on the investment's yield: roughly $300k-$400k for higher-yielding assets (like REITs or dividend ETFs with 4-8% yields) or closer to $720,000 for very stable Dividend Aristocrats with lower yields (around 5%), while real estate might require a large down payment on a property. 

What is the easiest job that pays 100k a year?

No experience $100,000 jobs

  • Work From Home Agent (Entry Level) ...
  • Entry Level Account Executive (work from home) ...
  • Home Health Technician. ...
  • Entry-Level Financial Professional (Remote | Flexible Schedule) ...
  • Account Manager - No Travel. ...
  • Houston Tax Preparer - Remote & In-Person Opportunities.