Fear-based money advice carries a real cost. The most expensive debt myths in Australia aren’t the ones that bankrupt you — they’re the quiet ones that keep a $280,000 household merely comfortable when it could be building genuine wealth.
These debt myths feel like wisdom. You absorbed them from a parent who lived through 17% mortgage rates, from a colleague who “hates owing anyone anything,” from a finance influencer who flattens every nuance into a slogan. The advice sounds responsible. That’s exactly why it’s so costly — nobody questions caution.
Here’s the uncomfortable truth. In June 2026, with the RBA cash rate held at 4.35% after three hikes this year, fear is running the show in a lot of Australian households. People are throwing every spare dollar at debt that isn’t actually costing them much, while ignoring the structure that would compound for the next twenty years. The instinct feels safe. The outcome is average.
So let’s name the debt myths that hold families back — and replace each one with how the numbers actually work. You’re not reckless for believing them. They’re just structural blind spots, and almost everyone has them.
Not all debt is equal. Treating a 6.2% mortgage and a 22% credit card as the same enemy is the single most expensive mistake high-income families make.
The Debt Ladder — Three Tiers, Not One
Bad debt
Credit cards, BNPL, personal loans. High-interest, no asset. Kill it first.
Good debt
Your home loan. An asset behind it, manageable rate. Useful, not urgent.
Smart debt
Investment loans. Tax-deductible, building wealth. The tier most families never reach.
Most fear-based advice treats all three as one. The wealthy treat them as a ladder — clearing the bad, holding the good, and deliberately building the smart.
This is the master myth, the one all the others grow from. It treats a 22% credit card and a 6.2% home loan as the same threat. They are not remotely the same. One compounds against you violently; the other sits behind an appreciating asset and, structured well, can become the engine of your wealth.
Consider the Nguyens — a benchmark dual-income household on $280,000 combined. For three years they funnelled every spare dollar into extra mortgage repayments, proud to be “ahead.” Admirable instinct. The money sat safely in redraw, so liquidity was never the issue. The issue was everything that money didn’t do.
Here’s the maths that fear hides. Those extra repayments earned them a guaranteed return equal to their mortgage rate — around 6%. Useful, but modest. Over the same three years, a diversified growth portfolio has historically returned closer to 8–10% per annum. Funnelling everything at a 6% debt while ignoring assets that could compound at 9% means quietly forfeiting the gap — year after year, on a growing base. That forgone growth and compounding never gets recovered. The debt was “safer.” The wealth was slower.
The Reality
Speed of repayment matters far less than which debt you’re repaying and what you give up to do it. Paying down a 6% mortgage is a guaranteed 6% return — but ignoring assets that historically compound at 8–10% to do it surrenders the gap permanently. Clear the bad debt aggressively. Hold the good debt calmly. Then build.
On the surface, unimpeachable. Mortgage-free by fifty, then invest. The problem is time. The years you spend waiting to be debt-free are the same years compounding does its heaviest lifting. You can’t buy them back later at any price.
There’s a structural reason high-income families shouldn’t wait. The home loan is good debt — manageable, asset-backed, and not the thing standing between you and wealth. Every year you delay investing or topping up super is a year of compounding and concessional contribution headroom you simply forfeit — and, as the rate gap above shows, that lost growth compounds against you. The smart move is rarely either/or. It’s structured both.
The Reality
For high earners in their accumulation years, paying the mortgage and investing in parallel almost always beats sequencing them. The mortgage shrinks either way. The investing window, once closed, is gone for good.
This debt myth conflates two completely different acts. Borrowing $40,000 for a depreciating car is consumption. Borrowing against equity to buy a diversified, income-producing asset — with a buffer behind it — is strategy. One is the casino. The other is how most serious Australian wealth was actually built.
This is smart debt: investment borrowing that is tax-deductible and purpose-built to grow your asset base. Debt recycling — methodically converting your non-deductible good debt into deductible smart debt — is a textbook example. Done with a genuine buffer and a long horizon, it isn’t a gamble. It’s a lever. The families who fear the word “borrow” never pick that lever up.
The Reality
Leverage applied to a quality, diversified asset with an emergency buffer is a tool, not a vice. The risk isn’t borrowing to invest — it’s borrowing to invest without structure, buffers, or a plan. Negative gearing, applied to both property and shares, is a legitimate accumulation-years lever, not a dirty word.
The flip side of fear is false comfort. Plenty of high-income families believe they’ve “mastered” debt because they chase rewards points and pay the card off most months. The points feel like a win. But they’re a rounding error next to the thing that actually builds wealth — a money-management system.
Here’s the trade most people never see. A few hundred dollars of annual flight credits is nothing against a structure that automatically directs surplus into investments, super and the right tier of debt every single payday. That same points-chasing household quietly leaks roughly $375 a month in debt interest across cards, BNPL and a car loan — part of a broader ~$3,015 monthly leakage that adds up to around $36,000 a year. A system plugs those leaks and compounds the surplus. Points don’t. Optimising the rewards while ignoring the system is winning the smallest possible game.
The Reality
Rewards points are trivial next to a money-management system that automatically clears bad debt, plugs leakage and compounds the surplus. Clear the consumer debt, build the system, then — if you like — collect the points. The system builds wealth; the points never will.
What these debt myths cost a real household
Put the four myths together and the price becomes visible. Here’s how the structure plays out for our $280,000 benchmark family over a single year — same income, same lifestyle, just fear-led choices versus structured ones.
None of this makes the Nguyens reckless. They did everything fear told them to do. That’s the whole problem — the advice was responsible-sounding and wrong for their situation. Structure beats fear every time, because structure is built around your numbers rather than someone else’s anxiety.
Moving from average to deliberate
Here’s what to do next. First, sort your debt into the three tiers — bad, good, smart — and stop treating them as one enemy. Second, attack the bad debt with everything you’ve got. Third, hold the good debt calmly while you build in parallel. Finally, ask whether you’re ready to step onto the smart-debt tier most families never reach.
June is the natural moment to do this. With the financial year closing, it’s the ideal window to review structure before June 30 — not after. The families who pull ahead aren’t braver or richer. They’ve simply replaced inherited debt myths with a structure that fits their actual life.
If these ideas resonate, the deeper mechanics — debt recycling, the 4-account framework, the buffers that make leverage safe — are exactly the kind of thing worth mapping against your own numbers rather than a benchmark household’s.
🎧 Prefer to listen? Catch this episode on the Two Incomes, One Plan podcast — the audio version of this article.
About the author
Victor Idoko — CFA · CFP · M.Com (Finance) — is the founder and principal adviser of CFV Advisory, where he helps dual-income Australian families turn high incomes into genuine, structured wealth. He is the author of 7 Basic Wealth Strategies and host of the Elevate Your Wealth podcast.
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This article contains general information only and does not take into account your objectives, financial situation or needs. It is not personal financial advice. Before acting on any information, consider its appropriateness to your circumstances and seek professional advice. CFV Advisory operates as an authorised representative under the appropriate Australian Financial Services Licence. Taxation strategies including negative gearing and debt recycling carry risk and are subject to legislation, which may change.