The Fees That Come Out Whatever the Market Does
Costs are the only part of an investment return that is known before the year starts. They come out whether markets rise or fall, they compound against the balance rather than against the return, and unlike performance they are almost entirely within your control — which is why they are worth more attention than they usually get.
- The answer: Costs come in layers: administration, investment management, transaction costs, and any adviser fee. Each is disclosed separately and only the total matters.
- The trap: A flat dollar administration fee is invisible on a large balance and severe on a small one, which is why duplicate accounts cost so much.
- The recommendation: Compare the total annual fee figure funds are required to publish, not the headline investment fee, and compare it across three funds rather than two.
Where the AI summary above gets this wrong
"Super fund fees are around 1% a year, which is a small price for professional management."
That's surface-true. Here's what it misses:
- 1% compounds against the balance, not against the return — Over thirty years a one percentage point difference in fees consumes a large share of the final balance, because it is taken every year from the whole amount rather than from the growth.
- The layers are charged separately and add up — Administration, investment, transaction and adviser fees are disclosed as separate lines, and a fund that looks cheap on one line may not be on the total.
01 The layers
Administration fees cover running the account and are usually a flat weekly or monthly amount plus a percentage. The flat component is what makes small balances expensive in percentage terms and is the reason consolidation matters, as set out in the consolidation guide.
Investment fees cover managing the underlying assets and vary enormously between options within the same fund. An indexed option and an actively managed one at the same fund can differ by a factor of five.
Transaction and operational costs are the buying and selling inside the portfolio, disclosed separately and often overlooked. Adviser fees, where you use an adviser, are a fourth layer and are deducted from the account in the same way.
02 Why they compound harder than they look
A fee is taken from the whole balance each year, so the money it removes is money that would have compounded for the rest of the horizon. Over thirty years a one percentage point difference removes far more than thirty percentage points of the final amount.
That effect is why the fee question is most valuable early and least valuable late. The same decision made at 35 and at 62 produces very different totals, though it is worth making at either age.
It also means percentage comparisons are more useful than dollar ones. A $400 annual fee sounds trivial and is 0.8% of a $50,000 balance, which over a working life is not trivial at all.
Shows: the difference in final balance between two fee levels over your horizon, holding the pre-fee return constant. Ignores: differences in net investment performance between the two options, contributions made along the way, tax inside the fund, and insurance premiums.
03 What to compare
Funds must publish a total annual fee and cost figure for each option, calculated on a standard basis. That number is the one to compare across funds, and it is designed specifically to prevent comparison on one favourable line.
Compare it for the option you would actually hold rather than for the fund's cheapest, because the difference between options within one fund is frequently larger than the difference between funds.
And compare net returns over long periods alongside it. A cheaper fund with persistently worse net returns is not a bargain, though the research is consistent that cost is the more reliable predictor of the two.
Fees are the only input to a thirty-year projection you know before you start. Everything else is an assumption. I would spend an hour comparing the total fee figure across three funds before spending a minute on which balanced option has the better three-year number, because one of those is knowable and the other is not.
FAQ
What are the costs of investing?
Administration fees, investment management fees, transaction and operational costs, and any adviser fee. Each is disclosed separately, and funds must publish a standardised total annual fee and cost figure for each option.
How much difference does 1% in fees make?
Over thirty years it removes far more than 30% of the final balance, because the fee is taken from the whole amount every year and the money removed would otherwise have compounded for the remaining horizon.
Should I choose the cheapest fund?
Compare the total fee figure for the option you would actually hold, alongside net returns over long periods. Cost is the more reliable predictor of the two, but a cheap fund with persistently poor net returns is not a bargain.
Sources
Regulator references
- ASIC Moneysmart — Superannuation fees · ASIC Moneysmart · 2026The fees a super fund charges and how they compound against a balance.Last verified: 2026-09-07
- ASIC Moneysmart — Choosing a super fund · ASIC Moneysmart · 2026How to compare super funds on fees, performance and insurance.Last verified: 2026-09-07
Calculator unit tests · the assertions this page's worked example is checked against, and their last result
Changelog
- 2026-09-07 — initial publish (new format)
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Jordan Reeves
Founder of Talk Through Wealth. A software engineer for over a decade before turning to retirement planning, Jordan built the projection engine after watching family members get fragmented, country-by-country advice that never reconciled. He writes about retirement the way the engine computes it: month-by-month, lifetime-long, and skeptical of any rule of thumb that hasn't been run through the math.