KISS: Why Simplicity Is the Most Underrated Investment Strategy

Last Updated on April 21, 2026 by teamtfl

“Any intelligent fool can make things bigger and more complex. It takes a touch of genius – and a lot of courage – to move in the opposite direction.” – E.F. Schumacher

A client came to me with a spreadsheet. Eleven mutual funds across seven different categories. Three insurance-linked investment plans. Two PMS accounts. A real estate investment. Two fixed deposits. A PPF account. And an NPS account he had forgotten about for four years.

He was an engineer with a postgraduate degree. He had done extensive research before every purchase. His logic for each investment was defensible in isolation.

But as a system, it was completely unmanageable. He could not tell me his total equity exposure. He did not know his effective debt allocation. He had no idea what his overall portfolio return was. He had duplicated several holdings across multiple funds. And he had paid entry loads, advisory fees, and insurance charges across multiple products that a simpler portfolio would never have incurred.

Complexity looked like sophistication. It was actually noise.

Why Investors Overcomplicate

The drive to complicate financial portfolios comes from three sources.

First, the illusion of diversification. Owning 12 mutual funds feels more diversified than owning 3. But if 8 of those 12 funds are large-cap equity funds tracking similar portfolios, you have not diversified – you have duplicated. Real diversification comes from investing across meaningfully different asset classes (equity, debt, gold), geographies, and market cap segments. Owning multiple funds within the same category adds cost and complexity without adding diversification.

Second, chasing the best. Every year, different funds top the performance charts. Last year’s small-cap leader. This year’s sector fund. Next year’s international fund. Investors who chase performance end up owning a museum of past winners – none of which are currently performing and all of which are generating costs. As Warren Buffett observed, “An investor needs to do very few things right, as long as he or she avoids big mistakes.” Chasing complexity is the big mistake.

Third, advice from multiple sources. A colleague recommends a fund. A relative suggests an insurance policy. An advisor adds a PMS. A bank relationship manager pushes a structured product. Each individual recommendation may not be wrong. But 10 different advisors optimising for 10 different goals produces an incoherent portfolio that no one is accountable for as a whole.

“The investor who owns 3 well-chosen funds and never touches them will, over 20 years, beat the investor who owns 17 funds and tinkers constantly. Simplicity is not laziness. It is discipline.”

– Hemant Beniwal, CFP, CTEP | Founder, RetireWise

What a Simple Portfolio Actually Looks Like

A simple retirement portfolio does not mean a sparse one. It means every component has a clear role and nothing is held for unclear reasons.

A practical simple structure for a 40-year-old accumulating toward retirement at 60: one large-cap index fund (Nifty 50 or Nifty 100) for core equity exposure; one mid-cap fund for growth potential; one balanced advantage or hybrid fund as a stability buffer; one short-duration debt fund for the debt allocation; and Sovereign Gold Bonds or a Gold ETF for the gold allocation. Five instruments. Clear roles. Easy to monitor. Simple to rebalance.

This portfolio covers all major asset classes, provides genuine diversification, and can be reviewed in 30 minutes twice a year. Compare that to a portfolio with 15 funds, three insurance plans, two PMS accounts, and a real estate investment – which requires days of work to review and produces analysis paralysis when any single component underperforms.

The simple portfolio is not optimal by theoretical measures. But it is far more likely to be held through market corrections, maintained consistently, and reviewed rationally. The best portfolio is not the theoretically optimal one – it is the one you can actually stick with.

The Cost of Complexity

Complex portfolios cost more in three ways that are easy to overlook.

Direct costs: each additional fund carries an expense ratio. An investor with 12 equity funds averaging 1.5% TER is paying significantly more than one with 3 funds averaging 0.8% TER. Over 20 years, this expense ratio difference compounds into a substantial gap in corpus.

Transaction costs: each fund switch, each rebalancing, each new purchase generates transaction costs and potentially short-term capital gains tax. A simpler portfolio with fewer components requires less active management and generates fewer taxable events.

Behavioural costs: the most significant cost of complexity is invisible. When a complex portfolio falls, it is hard to know which component to hold and which to trim. This uncertainty leads to panic selling, wrong decisions, and inconsistent behaviour – which research consistently shows accounts for the largest gap between market returns and investor returns in India. Simplicity makes the right behaviour easier.

How to Simplify: A Practical Approach

If you have accumulated a complex portfolio over years, simplification is a process, not an event. A practical approach: first, list every instrument you hold, its current value, and its role in the portfolio. For each one, ask: can I describe in one sentence why I own this and what purpose it serves? If the answer is no, that is a candidate for exit. Second, identify true duplicates – funds in the same category tracking similar portfolios – and consolidate to the strongest performer. Third, identify instruments held for unclear reasons (a ULIP from 10 years ago, a PMS account that underperformed for 5 years) and make deliberate exit decisions.

Simplification should be done gradually to manage capital gains tax implications. But the direction should be clear: fewer, better-understood instruments with defined roles.

Read – Long Term vs Short Term Investments: The Only Framework You Need

Read – 7 Financial Planning Mistakes That Are Costing You Retirement Security

Frequently Asked Questions

How many mutual funds should I hold in my portfolio?

For most investors, 4-6 equity funds covering different market-cap segments and strategies is sufficient. A core large-cap or flexi-cap fund plus a mid-cap fund covers most equity needs. Adding a focused or international fund as a satellite is optional. Beyond 6-8 equity funds, you are adding complexity without adding meaningful diversification. For debt, 1-2 funds (a short-duration fund and possibly a liquid fund for the emergency corpus) are adequate. Total portfolio: 6-10 instruments including equity, debt, and gold.

I have 15 funds. Should I exit them all at once?

No. Exit systematically over 12-18 months to manage capital gains tax. Start by identifying funds that are clearly redundant (multiple large-cap funds doing the same thing) and switch those first. For funds with significant long-term capital gains, exit strategically near financial year end to optimise the tax timing. Funds held in tax-saving ELSS schemes have lock-in requirements that constrain exit timing. The goal is a 2-3 year simplification roadmap, not an immediate portfolio liquidation.

What about PMS and alternative investments?

PMS (Portfolio Management Services) and alternative investment funds (AIFs) require minimum investments of Rs 50 lakh and Rs 1 crore respectively. They can be legitimate additions for very large portfolios (Rs 5 crore and above) where the additional sophistication justifies the complexity and cost. For most retail investors with retirement corpus under Rs 3-4 crore, a well-structured mutual fund portfolio delivers comparable or better risk-adjusted returns at a fraction of the cost and complexity of PMS.

The most dangerous illusion in personal finance is that complexity signals sophistication. It usually signals the opposite: an accumulation of reactive decisions made without a coherent plan. The simplest portfolios, held consistently over the longest periods, produce the best retirement outcomes.

Simplicity is a strategy. Treat it like one.