Every other cost in your life sends a bill. Fund fees never do. There is no invoice, no line on a statement, no monthly reminder — the fee is skimmed continuously out of the fund’s value before you ever see a price, which makes it the only major expense most people pay for decades without once feeling the payment. This lesson makes you feel it once, with real numbers, so the reflex sticks.
What the fee is
A fund’s running cost is quoted as a yearly percentage of your money — called the expense ratio in the US and the MER (management expense ratio) in Canada, where it bundles the management fee, operating costs and taxes into one all-in figure. It pays for the managers, administration, legal, audit and marketing. A broad index ETF might charge 0.03–0.20%; actively managed mutual funds — still the default sold across many Canadian bank branches — commonly charge around 2%.
The deduction is invisible by construction: a sliver is shaved off the fund’s net asset value every single day. Your statement never shows “fees: $412.” The fund simply grew that much less than its holdings did — which is exactly why nobody cancels this subscription.
Why percentages anaesthetise you
“Two percent” sounds like a tip. But it is not 2% of your returns — it is 2% of your entire balance, every year, in good years and catastrophic ones alike. If markets return 7% and your fund charges 2%, you keep 5 — the fee just consumed 29% of that year’s growth. In a flat year it consumed more than all of it. And because the money removed can never compound again, the damage snowballs with time — the exact same mathematics that builds your wealth, running in reverse.
You are about to generate the honest number yourself in the practice, but here is the shape of it: a single $10,000 investment growing 25 years at 7% versus at 6.25% — the identical investment behind a 0.75% fee — ends up about $8,800 apart, compounded yearly. The DCA Calculator in the practice compounds monthly, so it shows a slightly bigger gap, close to $10,000. Either way, the fee quietly consumed roughly as much as you originally invested. At a 2% fee the gap widens to a figure most people refuse to believe until they run it.
“But surely the expensive fund earns its fee”
The most reasonable objection deserves the honest answer: on average, no. Decade after decade, the majority of actively managed funds fail to beat their index after costs — the yearly SPIVA scorecards make grim reading1, and the few winners in one decade show little tendency to repeat in the next1, which makes picking them in advance its own losing game. This is not because managers are fools; it is because they collectively are the market, and the market minus 2% reliably loses to the market minus 0.05%. The fee is certain. The outperformance is a lottery ticket.
Where fees hide beyond the MER
- Advice layers: an advisor charging ~1% on top of fund MERs, or robo-advisors at ~0.5–0.8% all-in — sometimes worth it for the behavioural guardrails, but know you are paying it.
- Trading commissions: mostly extinct at modern brokers, still alive at some banks.
- Currency conversion: a quiet 1–2% skim when buying US-listed funds from a CAD account — a genuine cost most Canadian investors never notice even once.
- Load funds: mutual funds with entry or exit sales charges. In an era of free index ETFs there is rarely a defensible reason to pay a load.
What is actually worth paying for
This is not a sermon against ever paying anyone. Paying 0.20% instead of 0.03% for an all-in-one asset-allocation ETF that automatically holds and rebalances your entire three-fund portfolio? For many people that is the best 0.17% they will ever spend — it buys the simplicity that keeps them invested. Paying a fee-for-service planner a flat sum for a real financial plan? Often excellent value. The trap is specifically the percentage-of-assets fee that compounds against you for decades while buying underperformance. Pay for things that change your behaviour or your plan — not for the promise of beating an index that almost nobody beats.
The 30-second habit
Before buying any fund, ever: look up its MER / expense ratio (it is on the fund page, the fact sheet, and most quote tools), and ask one question — what am I getting for this that the 0.05% version does not give me? If the answer is a story about skill, you have your answer. This single habit, applied for a lifetime, is plausibly worth more than every hot stock tip you will ever receive.
Sources
- S&P Dow Jones Indices, SPIVA scorecards (US, Canada and other regions). Share of active funds that trailed their benchmark over 1, 3, 5, 10 and 15+ years.
- S&P Dow Jones Indices, SPIVA Canada Year-End 2025. Most Canadian active funds trailed their benchmarks, and the share rises with the time period.
Sources checked October 31, 2026. Figures change, so confirm with the source before acting.