Good debt vs. bad debt: Understanding the difference

Mar 4
16:24

2025

Viola Kailee

Viola Kailee

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Debt is something to be avoided at all costs, but not all debt is bad. Some types of debt can help you build wealth, secure better financial opportunities, and improve your quality of life. The key is knowing the difference between good debt and bad debt—and how to manage both wisely.

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This guide explains what separates good debt from bad debt,Good debt vs. bad debt: Understanding the difference Articles provides real-world examples, and offers strategies to make debt work for you rather than against you.

What is Good Debt?

Good debt is money borrowed for investments or expenses that have the potential to increase in value or generate long-term financial benefits. It helps you build assets, improve your earning potential, or create financial stability.

Common Types of Good Debt

1. Home Loans (Mortgages)

Buying a home is one of the most common examples of good debt. Property values tend to increase over time, meaning a mortgage allows you to build equity while avoiding rising rental costs.

Example: If you buy a home for $700,000 with a mortgage, and in 10 years it’s worth $900,000, you’ve gained $200,000 in equity—all while making repayments on an asset that is increasing in value.

2. Student Loans (HELP/HECS Debt)

Education is an investment in your future earning potential. Tertiary qualifications can lead to higher salaries, better job stability, and increased career opportunities.

Australia’s Higher Education Loan Program (HELP) allows students to defer tuition payments and repay them gradually through the tax system once their income exceeds a set threshold ($51,550 in 2024-25). Since the debt is indexed to inflation rather than accumulating interest, it’s one of the least harmful forms of borrowing.

Example: A university degree in finance, healthcare, or IT can boost lifetime earnings by hundreds of thousands of dollars, making HELP debt a worthwhile investment.

3. Business Loans

If used wisely, borrowing money to start or grow a business can generate significant returns. Business loans help finance inventory, equipment, or expansion, allowing business owners to increase revenue.

Example: A café owner borrows $50,000 to upgrade kitchen equipment, which improves efficiency and boosts profits. Over time, the increased revenue offsets the loan, making it a smart investment.

4. Investment Loans

Borrowing to invest in shares, managed funds, or property can be considered good debt if the potential returns outweigh the cost of borrowing.

Example: If you take out a margin loan to invest in high-dividend stocks and the returns exceed the interest costs, you can generate passive income while building wealth. However, investment loans carry risk, so financial advice is essential.

What is Bad Debt?

Bad debt is money borrowed for depreciating assets or non-essential expenses that don’t generate long-term financial benefits. It often comes with high interest rates and can trap borrowers in a cycle of repayments.

Common Types of Bad Debt

1. Credit Card Debt

Credit cards can be useful when managed responsibly, but carrying a balance leads to high interest rates (typically 18-22%), making it difficult to repay.

Example: If you have a $5,000 balance on a card with 20% interest and only make minimum repayments, you could end up paying over $10,000 in total.

How to Avoid It:

  1. Pay off your balance in full each month.
  2. Use a low-interest credit card or consider a debit card for everyday spending.
  3. If you’re struggling, a balance transfer card can help consolidate debt at a lower rate.

2. Payday Loans and Short-Term Loans

Payday loans charge extremely high fees (up to 48% annual interest), making them one of the most dangerous types of debt. Many borrowers take out additional loans to cover previous ones, leading to a debt spiral.

Example: Borrowing $500 from a payday lender could result in repaying over $1,000 within a few months.

How to Avoid It:

  1. If you need emergency cash, consider no-interest loans (NILs) from community programs instead.
  2. Build an emergency fund to cover unexpected expenses.

3. Car Loans (for Non-Essential Vehicles)

A car loan isn’t always bad, but financing an expensive vehicle you don’t need can hurt your financial health. Cars lose value quickly, meaning you’re paying interest on a depreciating asset.

Example: Buying a $60,000 SUV on finance when a $25,000 car would serve the same purpose means paying thousands more in interest on a rapidly depreciating asset.

How to Avoid It:

  1. Buy a car that fits your needs, not just your lifestyle aspirations.
  2. Consider a second-hand vehicle to avoid steep depreciation.
  3. If you must finance, opt for low-interest car loans rather than dealership finance deals.

4. Buy Now, Pay Later (BNPL) Debt

Services like Afterpay, ZipPay, and Klarna can encourage overspending. While they don’t charge interest, late fees add up quickly, and missed payments can impact credit scores.

Example: Splitting $1,200 worth of clothing into instalments may seem manageable, but it can snowball into multiple BNPL debts, creating financial strain.

How to Avoid It:

  1. Use BNPL only for essential purchases.
  2. Stick to a budget to avoid impulse spending.
  3. If struggling with multiple BNPL payments, prioritise paying them off quickly.

Key Differences Between Good Debt and Bad Debt

Factor Good Debt Bad Debt
Purpose Builds wealth or increases earning potential Spent on depreciating assets or non-essential expenses
Financial Benefit Can generate returns (equity, income, education) Often results in long-term financial strain
Interest Rates Lower rates, often tax-deductible High interest rates, compounding quickly
Examples Home loans, education loans, business loans Credit cards, payday loans, unnecessary car loans

How to Use Debt Wisely

Even good debt can become bad debt if mismanaged. Here’s how to ensure debt works for you, not against you:

1. Borrow Only What You Can Afford

Lenders may approve you for more than you actually need. Use a loan calculator to determine what you can realistically repay.

2. Prioritise Paying Off Bad Debt First

High-interest debts like credit cards should be repaid before focusing on lower-interest loans. The avalanche method (paying off highest-interest debt first) is often the most effective strategy.

3. Use Debt for Investments, Not Lifestyle Upgrades

A mortgage, education, or business loan can improve financial stability, whereas borrowing for designer clothes, gadgets, or luxury cars can lead to financial stress.

4. Keep an Emergency Fund

Having 3-6 months’ worth of expenses saved can prevent the need for high-interest borrowing in emergencies.

5. Review Your Debt Regularly

Check your debts and interest rates every few months to see if refinancing, consolidating, or extra repayments could save you money.

Final Thoughts

Debt itself isn’t the enemy—it’s how you use it that matters. Good debt can help you achieve long-term financial success, while bad debt can drag you into financial hardship. The key is intentional borrowing—using credit as a tool to build wealth and financial stability rather than funding unnecessary spending. By understanding the difference between good and bad debt, you can make smarter financial decisions and set yourself up for a more secure future.