DIY Investing: 10 Questions That Will Make You Rethink Managing Your Own Money

Last Updated on April 22, 2026 by Hemant Beniwal

“The biggest risk in investing is not the market. It’s the investor.” – Howard Marks

Are you managing your own investments? Good. Now answer this honestly: how’s that working out for you?

I know this post will upset people. The personal finance internet is full of voices telling you that do-it-yourself investing is the smartest, cheapest, most empowering way to handle your money. And I’m going to tell you the opposite.

After 25 years of advising Indian families, I’ve come to a conclusion that goes against the grain of everything the “DIY finance” community preaches:

“DIY is not for managing finances and investments. Simply, it doesn’t work for most people.”

If you disagree, that’s fine. But before you dismiss this, answer the 10 questions below. Honestly. Not the answers you want to give. The real ones.

10 Questions Every DIY Investor Must Answer

1. Do you have a written financial plan?

Not a mental model. Not a spreadsheet you last updated in 2022. A written, comprehensive financial plan that maps your income, expenses, goals, insurance, tax strategy, and investment allocation? If the answer is no, you’re not a DIY investor. You’re a DIY guesser.

2. When was the last time you reviewed your portfolio?

Not checked your app to see if the number went up. Actually reviewed: asset allocation, goal alignment, rebalancing needs, tax harvesting opportunities. Most DIY investors open their portfolio daily but review it never.

3. Can you calculate your actual returns?

Not the return on your best stock. Your overall portfolio XIRR across all investments for the last 5 years. Including the ones you don’t talk about at parties. If you don’t know this number, you’re managing money blindfolded.

Must Read – 10 Investment Mistakes That Cost Indian Investors Lakhs Every Year

4. How did you behave during the March 2020 crash?

This is the real test. When Nifty fell 38% in 33 days, did you:

(a) Continue your SIPs without blinking

(b) Add more money because you saw it as an opportunity

(c) Panic and sell some or all holdings

(d) Stop your SIPs “temporarily”

If your honest answer is (c) or (d), your behaviour during stress is costing you more than any advisory fee ever would.

5. Do you know the tax implications of every investment decision you make?

STCG, LTCG, indexation (or lack of it post-2023 for debt funds), Section 54EC, grandfathering clauses, new tax regime vs old, NPS deductions. Tax planning isn’t a March activity. It’s a year-round strategy. How many of these are you actively optimising?

6. Is your insurance adequate?

Do you have term insurance worth 15-20 times your annual income? Health insurance of at least Rs 25 lakh for your family? Personal accident cover? A super top-up? Most DIY investors focus on investments and completely ignore the protection layer. One medical emergency can wipe out 5 years of investment returns.

7. Have you planned for retirement withdrawal, not just accumulation?

Building a corpus is half the job. How you withdraw from that corpus across 25-30 years of retirement, adjusting for inflation, healthcare costs, and sequence of returns risk, is the other half. Most DIY investors have an accumulation plan. Almost none have a withdrawal strategy. That’s like training for a marathon and not knowing where the finish line is.

8. Do you have an estate plan?

A written will? Nominations updated across all accounts? Does your spouse know where every investment is? If something happens to you tomorrow, can your family access and manage your finances without you? This is the most neglected area in DIY investing.

Must Read – Behavioural Finance: How Your Mind Sabotages Your Money Decisions

9. Are you spending more time managing money than earning it?

Here’s a calculation nobody does. If you earn Rs 50 lakh per year and spend 10 hours a week on investment research, portfolio tracking, and tax planning, your time cost is roughly Rs 2.5 lakh per year. That’s often more than what a financial advisor would charge. And the advisor probably does a better job because it’s their full-time profession.

10. Would you perform surgery on yourself?

You wouldn’t. Even if you read 100 medical books. Because knowing something and doing it under pressure are two completely different skills. The same applies to money. You can understand asset allocation, SWP, rebalancing. But when your portfolio is down 30% and your spouse is asking “should we sell everything?”, knowledge alone won’t save you. You need someone objective in that moment.

What Nobody Tells You About DIY Investing

Here’s the uncomfortable truth the DIY community doesn’t discuss.

The gap between what DIY investors earn and what their investments earn is the widest of any investor category. This is called the “behaviour gap.” Your mutual fund might return 14% over 10 years. But because you bought high, sold during crashes, switched funds chasing performance, and stopped SIPs during corrections, your actual return might be 8-9%.

That 5-6% annual gap, compounded over 20-25 years, is enormous. On a Rs 50 lakh portfolio, the behaviour gap can cost you Rs 80 lakh to Rs 1 crore in lost wealth over two decades. No advisory fee in the world costs that much.

The irony? The people who are most confident about DIY investing are often the ones with the widest behaviour gap, because overconfidence prevents them from seeing their own mistakes.

Read – Direct Investing in Stocks: Why Most Indian Retail Investors Lose Money

When DIY Investing Actually Works

I’m not saying DIY never works. It does, but only for a very specific type of person:

For the other 95%, the advisory fee isn’t a cost. It’s insurance against the behaviour gap. It’s the price of having someone who stops you from making a Rs 50 lakh mistake during a market crash.

Frequently Asked Questions

Is DIY investing good for beginners?

No. Beginners lack the experience to handle market volatility, tax planning, and insurance decisions. Starting with a financial advisor helps build the right habits and framework. You can always transition to DIY later once you understand how financial planning actually works in practice, not just in theory.

Can I save money by managing my own investments?

You save the advisory fee but often lose much more through the behaviour gap: panic selling, chasing past performers, wrong asset allocation, and missed tax optimisation. Studies show the average DIY investor underperforms their own investments by 3-5% annually due to behavioural errors.

What is the behaviour gap in investing?

The behaviour gap is the difference between what an investment returns and what the investor actually earns. It’s caused by emotional decisions: buying when markets are high (greed), selling when markets crash (fear), switching funds based on last year’s performance, and stopping SIPs during corrections. Over 20 years, this gap can cost lakhs.

When should I consider hiring a financial advisor?

If your annual income exceeds Rs 15-20 lakh, you have multiple financial goals, you own property, you have dependents, or you’re within 10 years of retirement, a financial advisor adds significant value. The complexity of tax planning, insurance, estate planning, and withdrawal strategy alone justifies the cost.

The question isn’t whether you can manage your own money. It’s whether you should. And the honest answer, for most people, is no.

DIY = Destroy It Yourself.