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How to Manage Debt in Australia: Good Debt, Bad Debt and Getting Out of the Cycle

By Roopon Finance Team8 min read

Good Debt vs Bad Debt: The Australian Framework

Not all debt is equally harmful. Understanding which debt to eliminate first - and which to manage strategically - prevents costly financial mistakes:

  • Good debt characteristics: Low interest rate (below 8%); used to acquire appreciating or income-producing assets; tax deductible in some cases; manageable repayments relative to income
  • Examples of good debt: Home mortgage (6.2% average, non-deductible but builds equity in an appreciating asset); investment property loan (6.2%, deductible against rental income); student loan/HECS (CPI-indexed, no compound interest, income-contingent repayment)
  • Bad debt characteristics: High interest rate (above 10%); used to fund consumption (experiences, clothing, electronics); no asset backing; repayments feel manageable but interest compounds rapidly
  • Examples of bad debt: Credit cards (18-24% interest); personal loans for holidays or weddings (8-18%); buy-now-pay-later (0% but late fees and missed payment penalties can be devastating); car loans for depreciating vehicle (8-15%)
  • HECS is uniquely structured: Unlike commercial debt, HECS has no compound interest (only CPI indexation, capped at WPI from 2025 legislation); no repayment required until income exceeds $54,435; voluntary repayment earns no tax deduction - the lowest-priority debt for most Australians despite the psychological weight of the balance
  • Investment loan deductibility: Borrowing to invest in income-producing assets (shares, investment property, managed funds) makes interest tax deductible - which lowers the effective rate substantially at the 37% bracket ($6.2% × 0.63 = 3.9% effective after deduction)
  • The contamination risk: A key Australian tax rule - if you redraw from an investment loan to fund personal expenses (or from a home loan that was offset by investment funds), you can 'contaminate' the deductibility of the interest; always keep investment and personal borrowings separate

BNPL: The Hidden Debt Trap

Buy Now Pay Later (BNPL) services - Afterpay, Zip, Klarna, Humm - have embedded themselves in Australian consumer spending. The financial risks are frequently underestimated:

  • How BNPL works: You receive goods or services immediately; repay in 4 recurring instalments; no interest if paid on time; the merchant pays a fee (3-6%) to the BNPL provider, subsidising the consumer's 'free' financing
  • Why it's dangerous: The small repayment amounts mask the total spend; multiple BNPL accounts across Afterpay/Zip/Klarna/Laybuy create fragmented debt that's easy to lose track of; late fees ($10-$68/missed payment depending on provider) apply immediately
  • Credit assessment minimalism: BNPL providers historically performed minimal credit assessment - the NCCP Act was extended to cover BNPL in 2024-25, requiring responsible lending obligations; this reform improves consumer protection but millions already hold problematic BNPL balances
  • BNPL on credit reports: BNPL repayment history now appears on credit reports via comprehensive credit reporting (CCR) - a pattern of missed BNPL payments damages your credit score and can affect mortgage applications
  • The debt stack problem: A consumer with $600 Afterpay, $400 Zip, $300 Klarna, and a $2,500 credit card balance may feel each is manageable separately; combined they represent $3,800 in consumer debt costing $60-$120/month in repayments with no savings being built
  • Elimination strategy: Identify all BNPL balances; consolidate to a single payment schedule; treat BNPL balances as credit card debt - pay them off before building any investment portfolio
  • Prevention: Delete BNPL apps from your phone; if you need to buy something and can't pay in full immediately, ask whether you actually need it - BNPL's psychological function is to remove the friction that prevents impulse purchases

Credit Card Debt: The Most Expensive Money in Your Life

Australian credit card debt at 18-24% interest is the highest-priority financial problem to eliminate. The compounding effect at these rates is brutal:

  • Compounding damage: A $5,000 credit card balance at 20% making minimum payments ($100/month) takes approximately 9 years to clear and costs $5,700 in interest - paying $10,700 for something worth $5,000
  • Minimum payment trap: Credit card companies calculate minimum payments as a percentage (typically 2-3%) of the outstanding balance - designed to extend repayment and maximise interest; always pay well above the minimum
  • Balance transfer risk: Moving credit card debt to a 0% balance transfer card (typically 12-24 months interest-free) saves interest IF you pay the balance before the promotional period ends; the risk is the balance grows again, ending up with both cards at full balance
  • Balance transfer strategy: Only use a balance transfer if: you cancel the original card immediately; you have a firm repayment schedule that pays the transferred balance before the promotional period ends; you stop using credit cards entirely during the transfer period
  • Low-rate credit cards: Some cards offer a permanent low rate (9.99-14.99%) instead of rewards points - better for those who carry a balance; rewards cards at 20%+ are only financially rational if you pay in full every month
  • Pay in full monthly: A credit card paid in full each month is effectively an interest-free 45-55 day loan with cashback/points benefits; it becomes a terrible financial product the moment you carry a balance
  • Credit limit reduction: Ask your bank to reduce your credit limit to 1-2 months of essential expenses - this limits the maximum harm if you fall back into the spending cycle

Debt Consolidation: When It Helps and When It Doesn't

Debt consolidation - rolling multiple debts into one loan - is frequently marketed as a solution but carries significant risks. The maths must be carefully examined:

  • When consolidation genuinely helps: Multiple high-rate debts (20%+ credit cards) consolidated into a single lower-rate personal loan (10-14%); fixed repayment schedule that eliminates within 2-3 years; you have the discipline to not re-accumulate debt on cleared cards
  • The critical step - close cleared accounts: If you consolidate credit card debt into a personal loan but keep the credit cards open, many people accumulate new credit card debt while repaying the personal loan - ending up with both debts
  • Home equity consolidation risk: Using a redraw on a mortgage or home equity loan to pay off consumer debt converts unsecured debt (credit cards) into secured debt (mortgage-backed); if you can't make payments, you now risk your home; extending 2-year credit card debt into 25-year mortgage means paying interest for decades more
  • Real interest savings test: Calculate total interest payable on the existing debts vs total interest on the consolidation loan; only consolidate if the interest saving (after any establishment fees) is genuinely positive
  • Consolidation loan fees: Personal loans typically have establishment fees ($150-$600) and monthly account fees - deduct these from the gross interest saving to get the real saving
  • Mortgage offset vs consolidation: If you have a home with an offset account, paying high-interest consumer debt from offset funds and rebuilding the offset with the freed repayments is often superior to a formal consolidation loan - you avoid fees and maintain flexibility
  • Financial counselling (free): The National Debt Helpline (1800 007 007) provides free financial counselling for Australians in debt stress; ASIC's MoneySmart website has debt calculators and resources; don't pay for debt consolidation advice when free government services exist

The Debt Avalanche vs Debt Snowball Methods

When eliminating multiple debts simultaneously, two popular methods exist. The choice between them is partly mathematical and partly psychological:

  • Debt avalanche (mathematically optimal): Pay minimums on all debts; direct all extra cash at the highest interest rate debt first; when it's cleared, redirect that payment plus the minimum to the next highest rate; repeat
  • Avalanche example: $3,000 at 22%, $5,000 at 18%, $8,000 at 12% - attack the $3,000 first; once cleared, redirect at the $5,000; finally the $12% debt; total interest paid is minimised
  • Debt snowball (psychologically effective): Pay minimums on all debts; direct extra cash at the smallest balance first regardless of interest rate; quick wins build momentum; originally popularised by Dave Ramsey
  • Snowball trade-off: If the smallest debt has the lowest rate, you pay more total interest than the avalanche method - but research shows the snowball method produces higher debt elimination completion rates because the psychological wins of clearing accounts motivate continued progress
  • Hybrid approach: Start with the snowball method if you need a motivational win (clear one small debt quickly); then switch to avalanche for the remaining debts
  • Emergency fund first: Both methods require a $1,000 starter emergency fund before aggressive debt repayment - otherwise any unexpected expense sends you back to the credit card, undoing your progress
  • Automate repayments: Set up direct debits for above-minimum repayments on all debts; automation removes the decision point and prevents repayment funds being spent on other things

Roopon: Saving Everyday While You Pay Off Debt

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