10 Investing Mistakes Beginners Should Avoid (Lessons I Learnt Since 2016)

Introduction

When I made my first investment in 2016, I thought investing was simple.

Buy good mutual funds.

Wait for a few years.

Become wealthy.

It sounded easy.

But reality turned out to be very different.

Over the years, I realised that successful investing isn’t just about choosing the right mutual fund or buying the right stock.

It’s also about avoiding costly mistakes.

Some mistakes cost money.

Some cost time.

Some cost peace of mind.

Looking back today, I don’t regret making those mistakes because they taught me lessons that no book, YouTube video or social media post could have taught me.

Every mistake made me a better investor.

If you’re just beginning your investment journey, I hope these lessons help you avoid some of the mistakes I made.

Key Takeaways

If you remember only a few things from this article, let them be these:

Never invest simply because everyone else is investing.
Invest with a clear financial goal.
Understand what you’re buying before investing.
Small costs can make a big difference over the long term.
Consistency usually matters more than finding the “perfect” investment.

Mistake 1: Chasing the Highest Returns

When I first started investing, I believed the mutual fund with the highest past returns had to be the best choice.

If Fund A had delivered 20% annual returns and Fund B had delivered 15%, I automatically preferred Fund A.

It looked like an easy decision.

Later, I realised that investing doesn’t work that way.

Past performance only tells us what happened in the past.

It doesn’t guarantee similar returns in the future.

Today, before investing, I also look at:

Investment objective
Risk level
Expense Ratio
Portfolio quality
Fund manager
Consistency across different market conditions

Looking at returns alone never tells the complete story.

Mistake 2: Ignoring Investment Costs

When I first started investing, I hardly paid attention to costs.

I thought,

“It’s only one percent. How much difference can it really make?”

As I learnt more, I realised that even a small annual expense continues year after year.

Over a long investment journey, that difference can become meaningful.

Today, comparing costs is one of the first things I do before investing.

If you’re new to this topic, I recommend reading my detailed guide:

👉 What Is Expense Ratio in Mutual Funds?
https://www.simplebankingindia.com/2026/07/what-is-expense-ratio-in-mutual-funds.html

It explains why this small percentage matters more than many beginners realise.

Mistake 3: Investing Without a Clear Goal

There was a time when I invested simply because I had some extra money.

I hadn’t decided whether that investment was for:

Retirement
Buying a house
My daughter’s future
Wealth creation
Financial independence

Without a clear goal, it becomes difficult to answer important questions.

How much risk should I take?

How long should I stay invested?

Which mutual fund category is suitable?

Today, every investment I make has a purpose.

Having a financial goal makes decision-making much easier and helps me remain calm during market corrections.

Mistake 4: Checking My Portfolio Every Day

I still remember opening my investment app several times every day.

Whenever markets went down, I became worried.

Whenever they went up, I felt excited.

Eventually I realised something.

Checking my portfolio every few hours never increased my returns.

It only increased my stress.

Today, I review my investments periodically instead of reacting to every market movement.

That simple habit has made investing much more peaceful.

Mistake 5: Not Reading the Mutual Fund Factsheet

In my early investing days, I relied mostly on ratings and recommendations.

I rarely tried to understand what the mutual fund actually invested in.

That was a mistake.

Today, before investing, I spend a few minutes reading the mutual fund factsheet.

I usually check:

Portfolio Holdings
Expense Ratio
Exit Load
Fund Objective
Riskometer
Fund Manager
Asset Allocation

Those few minutes tell me much more than a simple star rating.

If you’ve never read a mutual fund factsheet before, don’t worry.

I explain every section in simple language here:

👉 How to Read a Mutual Fund Factsheet
https://www.simplebankingindia.com/2026/07/how-to-read-mutual-fund-factsheet.html

Understanding this document has completely changed the way I choose mutual funds today

Mistake 6: Trying to Time the Market

Like many beginners, I believed I could wait for the “perfect” time to invest.

Whenever the market looked expensive, I delayed investing.

Whenever the market corrected, I thought,

“Maybe it will fall even more. I’ll wait a little longer.”

The problem was that I kept waiting.

Months passed.

Sometimes even years.

Eventually, I realised something that changed my investing mindset.

Nobody can consistently predict short-term market movements.

Even professional investors don’t always get it right.

Instead of waiting for the perfect day, I now focus on investing regularly.

For me, consistency has been much more valuable than trying to predict where the market will go next.

If you’re confused about starting with SIPs or another investment option, you may also like this guide:

👉 SIP vs PPF: Which Is Better in 2026?
https://www.simplebankingindia.com/2026/07/sip-vs-ppf-which-is-better-in-2026.html

Mistake 7: Following Investment Tips Without Doing My Own Research

In the beginning, I trusted recommendations from friends, television, WhatsApp groups and social media.

Sometimes those recommendations worked.

Sometimes they didn’t.

Over time, I realised something important.

No one cares about my money as much as I do.

Today, before investing, I ask myself a few simple questions.

Why am I investing?
Do I understand this investment?
What are the risks?
Does it match my financial goals?

Listening to experts is useful.

But blindly following tips rarely leads to long-term success.

Mistake 8: Ignoring Diversification

Earlier, I spent too much time trying to find the “best” investment.

I rarely thought about balancing my portfolio.

Today, I understand that diversification is just as important as selecting a good investment.

Instead of depending on one investment, I spread my money across different asset classes according to my financial goals.

Diversification cannot eliminate risk.

However, it can reduce the impact of poor performance in a single investment.

Mistake 9: Letting Emotions Control My Decisions

The stock market tests every investor.

When markets rise sharply, excitement grows.

When markets fall, fear often takes over.

I realised that emotional decisions usually don’t produce good investment results.

Today, I focus on my financial goals instead of reacting to every market headline.

This simple change has helped me remain much calmer during market volatility.

Mistake 10: Expecting Quick Results

Perhaps my biggest mistake was expecting wealth to build quickly.

I thought investing for a year or two would completely change my financial life.

Real investing doesn’t usually work that way.

Some years are excellent.

Some years are average.

Some years are disappointing.

The biggest lesson I learnt is that wealth is usually created through patience, discipline and consistency—not overnight success.

What I Do Differently Today

After investing since 2016, my approach has completely changed.

Today I don’t try to predict the market.

Instead, I focus on building good investing habits.

I now:

Invest regularly.
Read the mutual fund factsheet before investing.
Compare Expense Ratios.
Understand Exit Load.
Review my portfolio periodically instead of every day.
Invest according to my financial goals instead of following market noise.

These habits may sound simple.

But together, they have made me a much more disciplined investor.

If you’re investing in mutual funds, I also recommend understanding these two important concepts:

👉 What Is Exit Load in Mutual Funds?
https://www.simplebankingindia.com/2026/07/what-is-exit-load-in-mutual-funds.html

👉 Direct vs Regular Mutual Funds
https://www.simplebankingindia.com/2026/08/direct-vs-regular-mutual-funds.html

These articles helped me understand costs and choose investments more confidently.

My Investment Checklist

Before investing in any mutual fund or stock, I now ask myself these questions.

✅ 1. Do I understand what I’m investing in?

If I can’t explain an investment in simple words, I probably don’t understand it well enough.

✅ 2. Does it match my financial goal?

Every investment should have a purpose.

Whether it’s retirement, buying a house, my daughter’s education, or long-term wealth creation, investing becomes much easier when you know why you’re investing.

✅ 3. Have I checked the Expense Ratio?

A small annual cost may not seem important today, but it can make a difference over many years.

If you haven’t already, read:

👉 What Is Expense Ratio in Mutual Funds?
https://www.simplebankingindia.com/2026/07/what-is-expense-ratio-in-mutual-funds.html

✅ 4. Have I understood the Exit Load?

Many beginners don’t realise that some mutual funds charge an Exit Load if you redeem your investment within a specified period.

Understanding this before investing can help you avoid unnecessary surprises.

👉 What Is Exit Load in Mutual Funds?
https://www.simplebankingindia.com/2026/07/what-is-exit-load-in-mutual-funds.html

✅ 5. Have I read the Mutual Fund Factsheet?

I never invest without spending a few minutes reading the factsheet.

It tells me far more than just looking at returns.

If you’ve never read one before, this guide will help:

👉 How to Read a Mutual Fund Factsheet
https://www.simplebankingindia.com/2026/07/how-to-read-mutual-fund-factsheet.html

✅ 6. Am I making this decision based on research instead of emotions?

Whenever I feel excited or worried because of market news, I pause before investing.

Most emotional decisions don’t turn out to be good investment decisions.

One Final Thought

If I could go back to 2016 and give my younger self just one piece of investing advice, it would be this:

“Don’t spend your time searching for the perfect investment. Spend your time building good investing habits.”

Markets will rise.

Markets will fall.

Interest rates will change.

New investment opportunities will always come.

But discipline, patience and continuous learning are what truly help investors build wealth over the long term.

You don’t need to know everything before you start investing.

You simply need to keep learning and stay consistent.

Frequently Asked Questions (FAQs)

1. Is it normal to make mistakes while investing?

Yes.

Almost every investor makes mistakes, especially in the beginning.

The important thing is to learn from them instead of repeating them.

2. What was your biggest investing lesson?

The biggest lesson I’ve learnt is that consistency usually matters more than trying to find the perfect investment or perfectly timing the market.

3. Should beginners start with mutual funds?

It depends on their financial goals, investment horizon and risk tolerance.

Many beginners choose mutual funds because they offer diversification and professional management.

4. How often should I review my investments?

I prefer reviewing my portfolio periodically instead of checking it every day.

Frequent monitoring often creates unnecessary stress without improving long-term returns.

5. Which investment app do you recommend?

There isn’t one app that’s best for everyone.

Choose a platform that is easy to use, secure and suits your investment needs.

I’ve compared some popular options here:

👉 Best Investment Apps in India (2026)
https://www.simplebankingindia.com/2026/07/best-investment-apps-in-india-2026.html

If you found this article useful, you may also enjoy these beginner-friendly guides:

📖 How to Read a Mutual Fund Factsheet
https://www.simplebankingindia.com/2026/07/how-to-read-mutual-fund-factsheet.html

📖 What Is Expense Ratio in Mutual Funds?
https://www.simplebankingindia.com/2026/07/what-is-expense-ratio-in-mutual-funds.html

📖 What Is Exit Load in Mutual Funds?
https://www.simplebankingindia.com/2026/07/what-is-exit-load-in-mutual-funds.html

📖 Direct vs Regular Mutual Funds
https://www.simplebankingindia.com/2026/08/direct-vs-regular-mutual-funds.html

📖 How Does NAV Work in Mutual Funds? (Publish this next and add its link here.)

📖 SIP vs PPF: Which Is Better in 2026?
https://www.simplebankingindia.com/2026/07/sip-vs-ppf-which-is-better-in-2026.html

📖 Where to Invest ₹10,000 Per Month in 2026
https://www.simplebankingindia.com/2026/04/where-to-invest-10000-per-month-in-2026.html

📖 Best Investment Apps in India (2026)
https://www.simplebankingindia.com/2026/07/best-investment-apps-in-india-2026.html

Author’s Note

Hi, I’m Anuj Gupta, an insurance domain professional with over 9 years of experience and an active investor since 2016.

I created Simple Banking India with one simple goal—to make banking, investing and personal finance easier to understand for everyone.

Every article on this website is written in simple language, based on research and practical investing experience, so beginners can build confidence and make informed financial decisions.

Thank you for reading, and I hope this article helps you avoid some of the mistakes I made during my own investing journey.

Disclaimer

This article is intended for educational and informational purposes only and reflects my personal investing experience and observations. It should not be considered financial, investment, tax or legal advice.

All investments are subject to market risks. Before making any investment decision, evaluate your financial goals, risk tolerance and investment horizon. If you are unsure about a particular investment, consider consulting a qualified financial advisor.