The Eight Biggest Mistakes Investors Make – and How to Fix Them

piggy bank on a desk for the article "the eight biggest mistakes investors make"

Investing can be an incredibly rewarding journey, offering the potential for financial growth and long-term security. However, navigating the investment landscape without proper guidance or awareness of potential pitfalls can lead to financial setbacks that could have been avoided. Many investors, whether they’re beginners or seasoned veterans, often find themselves making the same critical errors. Let’s explore the eight biggest mistakes investors make and review best practices for steering clear of them. By avoiding these common traps, you can build a more resilient investment portfolio and increase your chances of long-term success.

Investor Mistake # 1: Lack of a Clear Investment Strategy

One of the biggest mistakes investors make is diving into the investment world without a well-defined strategy. Some people start investing based on emotions, tips from friends, or market hype, and neglect to build a structured plan. Without a strategy, investment decisions become impulsive, which can lead to missed opportunities or significant financial losses.

The Fix:
Before making any investment, it’s essential to develop a solid investment strategy. Begin by defining your financial goals, such as retirement planning, wealth accumulation, or funding a child’s education. Assess your risk tolerance and establish a time horizon for each goal. Diversification across various asset classes, like stocks, bonds, and real estate, can help mitigate risks and smooth out your portfolio’s returns. Regularly review your strategy and adjust it as your financial circumstances evolve to stay on track with your objectives.

The Next Step:
Write down your top three financial goals and consider meeting with a fee-only financial advisor to discuss how to align your current investments with those goals.

Investor Mistake # 2: Ignoring Risk Management

A common investment error is focusing solely on potential gains and neglecting risk management. Investing inherently involves risk, and failing to properly manage it can leave you vulnerable to significant losses, especially during market downturns. Overexposure to high-risk assets like individual stocks or volatile sectors can amplify the impact of negative market movements.

The Fix:
To protect your portfolio, it’s crucial to diversify your investments by spreading your investments across a mix of asset classes. Regular portfolio rebalancing ensures that your risk exposure remains aligned with your risk tolerance. Additionally, consider investing in less volatile assets that provide some downside protection, particularly if you are nearing retirement or have a lower tolerance for risk.

The Next Step:
Review your asset allocation to ensure no single asset class is over-concentrated (more than 25-30% of your overall investments). If you are partnered with a financial advisor, they should be rebalancing as needed to keep your portfolio aligned with your financial goals.

Investor Mistake # 3: Chasing Hot Trends.

Chasing after a hot investment trend or trying to time the market is another one of the biggest mistakes investors make. The Fear of Missing Out (FOMO) often leads investors to pile into assets that have recently experienced high returns, only to see those same investments fall when the trend reverses. Attempting to time the market is extremely difficult, even for professional investors, and it often leads to poor long-term performance.

The Fix:
Instead of chasing trends, focus on a long-term investment approach. A proven strategy like dollar-cost averaging (DCA), where you invest a fixed amount of money at regular intervals, can help mitigate the emotional impact of market volatility. DCA ensures that you’re consistently investing over time, reducing the risk of making poor investment decisions based on short-term market fluctuations. Staying committed to your long-term strategy allows your investments to compound and grow over time, regardless of short-term market trends.

The Next Step:
Set up an automated monthly contribution to your investment accounts to implement a dollar-cost averaging strategy.

Investor Mistake # 4: Neglecting Research and Due Diligence

In today’s age of readily available information, it’s easy to become complacent and skip proper research and due diligence. However, making investment decisions based on hearsay, rumors, or incomplete information can lead to disastrous results. Many investors fail to thoroughly evaluate the assets they invest in, leading to poor investment choices.

The Fix:
Before making any investment, it’s essential to perform your due diligence. Research the companies or funds you’re considering, analyzing their financial health, leadership, and market position. Stay updated on industry trends and macroeconomic factors that could affect the performance of your investments. If this sounds overwhelming, consider working with a trusted, fee-only financial advisor who can conduct thorough research on your behalf and provide professional guidance to keep you on track.

The Next Step:
Pick one of your current investments and research the company’s latest quarterly earnings report to assess its financial health.

Investor Mistake # 5: Overtrading and High Transaction Costs

Overtrading is another common mistake investors make. The temptation to frequently buy and sell assets can be driven by emotional reactions to short-term market fluctuations. However, frequent trading not only incurs high transaction costs but can also trigger capital gains taxes, further eating into your investment returns.

The Fix:
Adopting a long-term perspective is key to avoiding overtrading. Resist the urge to constantly tweak your portfolio and instead focus on your long-term goals. Keep an eye on transaction costs and tax implications when making trades. Maintaining a disciplined approach to investing by limiting unnecessary trades can enhance your portfolio’s overall performance by keeping costs low and compounding returns over time.

The Next Step:
Consider setting a rule for yourself of no more than one trade or portfolio adjustment per quarter, unless something significant changes in your financial situation.

Investor Mistake # 6: Neglecting to Ask How Your Financial Advisor is Paid.

One of the most overlooked mistakes investors make is failing to inquire about how their financial advisor is compensated. Many advisors earn commissions from the products they recommend, which can create conflicts of interest. High commissions and fees can erode your investment returns over time, leaving you with less money to reach your financial goals.

The Fix:
It’s essential to ask your financial advisor how they are paid. Fee-only advisors are compensated solely by the fees paid directly by their clients and do not receive commissions from any other sources. This payment structure helps them avoid the conflicts of interest that are common in the financial services industry. Fee-only advisors act as fiduciaries and are legally obligated to act in their clients’ best interest. Working with a fee-only advisor provides peace of mind, knowing that your advisor’s recommendations are aligned with your goals.

The Next Step:
If you work with a financial advisor, or are interviewing advisors, be sure to ask about their compensation structure and consider having them sign a Fiduciary Attestation Form to confirm their commitment to acting in your best interests.

Investor Mistake # 7: Overlooking Tax Efficiency

Tax efficiency is an often-underestimated aspect of investing. Many investors focus solely on returns and neglect to consider the tax implications of their investment decisions. Without proper tax planning, the gains from your investments can be significantly reduced by taxes.

The Fix:
To maximize the tax efficiency of your portfolio, consider strategies like holding investments for at least one year to qualify for lower long-term capital gains tax rates. Additionally, using tax-advantaged accounts such as IRAs or 401(k)s can help minimize your tax burden. Tax-loss harvesting, a strategy where you sell losing investments to offset gains, can also help reduce your taxable income. A fee-only financial advisor can provide personalized tax planning strategies to ensure you’re keeping as much of your investment gains as possible.

The Next Step:
Review your investment accounts and ensure you are maximizing contributions to tax-advantaged accounts, such as your 401(k) or IRA.

Investor Mistake # 8: Emotional Investing

Finally, one of the most damaging mistakes investors make is allowing emotions to drive their investment decisions. Fear and greed are powerful forces that can lead to impulsive actions, such as selling in a panic during market downturns or buying into a bubble at its peak. Emotional decision-making often results in buying high and selling low, a recipe for poor investment performance.

The Fix:
Stick to a well-defined investment strategy and maintain a long-term perspective to avoid emotional decision-making. Creating an investment plan that aligns with your financial goals and risk tolerance will help you stay the course, even during periods of market volatility. Working with a fee-only financial advisor can also provide an anchored viewpoint, helping you navigate emotional challenges so you can stay focused on your long-term objectives.

The Next Step:
Write down a list of emotional triggers (like market news or social media) and create a plan to minimize exposure to these triggers during periods of volatility. You can also download our free guide, “Adjust Your Sails: 4 Tips for Navigating Market Volatility.”

Investing can be a fruitful endeavor when approached with care and discipline. By avoiding the eight biggest mistakes investors make, you can improve your chances of achieving your financial goals and building long-term wealth. If you’re interested in learning more about investment best practices or would like to speak with one of our CERTIFIED FINANCIAL PLANNERTM (CFP®) professionals, please contact us for a complimentary discovery call at at 631-218-0077 or at info@rwroge.com.


R.W. Rogé & Company, Inc. is an independent, fee-only financial planning and investment management firm serving clients locally and virtually across the country, with Long Island, New York, Beverly, Massachusetts, and Naples, Florida office locations. R.W. Rogé & Company, Inc. was founded on a “client first” culture and proudly commits to acting in your best interest as a fiduciary. We have helped clients Plan, Achieve, and Live® the life they want since 1986. To learn more about how we do this, contact us today.

Related Posts

Like Us on Facebook