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Key takeaways
- Interest rate and purpose matter more than the label. "Good" debt is only good if the cost is reasonable and the repayments are comfortable.
- Payment history and balances drive credit scores. On-time payments and low utilisation are the habits that matter most.
- Paying more than the minimum changes everything. In our example, doubling the payment cuts the time by more than half and the interest by more than half.
- If you miss a payment, act quickly. A call to the lender is often the cheapest fix.
Debt gets a bad reputation, but it is not automatically harmful. Used carefully, borrowing can spread the cost of something valuable over time. Used carelessly, it drains your income into interest and limits every other goal. Credit, meanwhile, is the record that tells lenders how reliably you have handled borrowing in the past, and it can affect the rates you are offered, your ability to rent a home and sometimes even job applications, depending on where you live.
This page looks at four practical questions: how to judge whether a debt is worth taking, how to build a strong credit record, what high-interest debt really costs and what to do when you fall behind. For a complete repayment plan, see the debt payoff guide and the credit score guide.
Good debt vs bad debt, in plain words
Not all borrowing is equal. Some debt helps you build something that grows in value or earns income over time; other debt pays for things that are worth less the moment you buy them, at a high cost. The simple labels "good" and "bad" are a useful starting point, but the real test is a set of questions about the specific loan.
The three-question test
- What does the borrowing buy? Does it increase your income or net worth over time, such as education that raises your earning power, or a home you plan to keep, or does it fund consumption that is gone quickly?
- What does it cost? Compare the interest rate (APR) with the benefit. A modest rate on something valuable is very different from a very high rate on a short-term want.
- Can I comfortably afford it, even if my income dips? A loan you can only afford if everything goes right is a risky loan, however valuable the purchase.
| Type of borrowing | Often described as | What to watch |
|---|---|---|
| Home loan | Potentially productive | Total repayments, rate changes and the ability to cope if income falls |
| Education loan | Potentially productive | Whether the qualification really raises earnings enough to cover the cost |
| Business loan | Productive if the plan is sound | Realistic projections and personal guarantees |
| Car loan | Mixed | Cars lose value, so keep the term and the rate low |
| Credit card balance carried month to month | Usually costly | Rates are often among the highest of any common borrowing |
| Short-term, very high-cost loans | Usually harmful | Fees and rates can trap borrowers in repeat borrowing |
"Good debt" does not mean "safe debt". A mortgage on a home you cannot afford is still a problem, and a modest personal loan used to clear a very high-rate card could be a smart move. The label matters less than the numbers and your ability to repay. Whenever you are weighing a new loan, add up the total you will repay, not just the monthly payment, and compare at least two offers. The before you borrow checklist on our resources page is a quick way to do that.
Five habits that quietly build your credit score
A credit score is not a mystery; it responds to a handful of predictable behaviours. Scoring systems differ by country and by lender, but the same few habits are rewarded almost everywhere. In the widely used FICO model in the United States, for example, payment history is the largest factor (roughly 35%), followed by how much of your available credit you are using (around 30%), then the length of your credit history, new credit applications and the mix of accounts. Check how scores work where you live, but the habits below are broadly useful.
1. Pay on time, every time
This is the heaviest-weighted habit. Set up automatic payments for at least the minimum due on every account so a busy week never becomes a late mark. Even a single missed payment can stay on your record for years in many systems.
2. Keep your utilisation low
Utilisation is the share of your available credit that you are using. A common rule of thumb is to stay below about 30%, and lower is generally better.
Worked example
You have a card with a $2,000 limit and a $1,200 balance: that is 60% utilisation. To get under 30%, bring the balance down to $600. Paying part of the balance mid-month, before the statement date, can also help because many lenders report the balance as of the statement.
3. Apply for credit sparingly
Each application can lead to a hard check on your record, which can lower a score a little for a time. Space out applications and apply only when you need the credit, rather than for a store discount.
4. Let your accounts age
The length of your credit history can improve your score. Keep older accounts open if they have no annual fee and you can manage them, and avoid closing your oldest card just to tidy up.
5. Check your credit report for errors
Mistakes on credit reports, such as accounts that are not yours or payments wrongly marked late, are not rare. Read your report at least once a year, dispute any errors with the reporting agency and keep a record of the correspondence. In many countries you are entitled to a free report from each agency at least once a year; check what applies to you.
If you have no credit history, building one takes patience: a small, well-managed account used lightly and paid in full each month is a common route. The credit score guide explains how to build credit from scratch.
What high-interest debt really costs
Interest is easy to ignore month to month, because the payment feels manageable. The real picture appears when you add up the whole life of the debt. A balance that barely seems to move is usually a balance where interest is eating most of the payment.
The numbers on one card balance
Take a $3,000 balance on a card with a 24% APR, which is 2% a month. In the first month alone, the interest is about $60. If you pay $150 a month, a large part of every early payment goes to interest rather than reducing what you owe.
| Monthly payment | Time to clear | Total interest paid |
|---|---|---|
| $150 | about 26 months | about $870 |
| $300 | 12 months | about $381 |
Doubling the payment cuts the time to less than half and the interest cost by more than half, saving about $490. This assumes no new spending on the card and a fixed rate; real terms vary. By comparison, the same $3,000 at a 5% loan rate with a $150 monthly payment would clear in about 21 months for about $139 in interest, which shows why rate matters as much as amount.
How to attack expensive debt
- List every debt with its balance, rate and minimum payment.
- Pay the minimum on all of them so nothing goes into default.
- Send every spare dollar to one target. The avalanche method targets the highest rate first and saves the most interest; the snowball method targets the smallest balance first and builds motivation. Both work if you stick with them.
- Stop adding to the balance. Paying down a card you keep using is like bailing a boat with the tap running.
A word of caution on consolidation
Combining several debts into one loan with a lower rate can cut costs, but only if the new rate is genuinely lower once fees are included and you do not run the old cards back up. Extending the term can lower the monthly payment while raising the total interest, so compare the total cost, not just the payment. See the debt payoff guide for the full comparison of methods.
What to do if you miss a payment or fall behind
Almost everyone misses a payment at some point: an unexpected bill, a failed transfer, a forgotten due date. A missed payment is stressful, but it is usually fixable if you act early. The costs build when problems are ignored.
If you have just missed a payment
- Pay as soon as you can. Even a few days late is better than a few weeks late, and many systems only report lateness once it passes a threshold.
- Contact the lender. Explain what happened and ask whether the late fee can be waived. Lenders often agree to a first-time request from a customer with a good record.
- Set up an automatic payment for at least the minimum so it does not recur.
- Check your next statement and credit report to confirm how it was recorded.
If you are struggling to keep up generally
- Prioritise essentials first: housing, utilities, food and transport to work, then debt payments.
- Talk to lenders before you fall behind. Many offer hardship arrangements such as reduced payments or a temporary pause, but you usually have to ask.
- Avoid high-cost short-term loans to cover a gap; they often make the next month harder.
- Seek free, independent advice. Many countries have non-profit or government-backed debt advice services. Check your local options, and be cautious about companies that charge large upfront fees or promise to make debt vanish.
Remember: a late payment is a setback, not a verdict. How long negative marks remain on your record varies by country, but consistent on-time payments afterwards steadily rebuild your standing.
Prevention is cheaper than repair. A small emergency fund, described in our saving category, is the best protection against missed payments caused by surprises. And a weekly look at your accounts, as in the habits category, catches a failed payment while it is still easy to fix.
Frequently asked questions
Does checking my own credit score lower it?
In most systems, checking your own score or report is a "soft" check and does not reduce your score. Lender applications can create "hard" checks that sometimes have a small, temporary effect.
Is it better to pay off debt or build savings first?
Start with a small emergency buffer so surprises do not create new debt, then focus on high-interest debt while continuing to build the fund. The balance depends on interest rates and your income stability.
How long do negative marks stay on my credit record?
This depends on the country and the type of mark. Many systems keep late payments and defaults for several years. Look up the rules for your country and focus on adding a record of on-time payments.
Should I close a credit card after paying it off?
Not necessarily. Closing an old card with no fee can shorten your credit history and reduce your total available credit, which can raise utilisation. Keep it open if it is free and you will not be tempted to overspend.
Putting it together
Run the three-question test before any new loan, automate at least the minimum payment on every account, keep your balances well below your limits, send every spare dollar to one target debt and call your lender early if things go wrong. These steps protect your credit and reduce what borrowing costs you. When your debt is under control and your safety net is in place, the next step is putting money to work, which we cover in the investing category.
Keep learning
Want the full step-by-step version of these ideas? These guides go deeper.