Keep your interest-free days intact, and every point the card earns stays profitable. A points strategy is also a repayment strategy. The cards in our round-up of Qantas points-earning credit cards, the bonuses and the earn rates only produce value while the underlying account runs cleanly. The moment repayments slip, interest starts eating the upside faster than any promotion can replace it. This guide goes deep on the mechanics. It explains what the numbers on your statement mean and how the interest-free window works. It covers which autopay setting protects it and what to do when the plan and your cash flow collide.
The three numbers on your statement
Every statement carries three figures, and points collectors only care about one of them:
- The closing balance is everything you owed at the end of the statement period. It is the amount to pay in full by the due date
- The minimum repayment is the smallest amount that keeps the account out of arrears. According to Moneysmart, it is typically calculated as 2 or 2.5 per cent of the closing balance, or a set dollar amount of around $20, whichever is greater, as of July 2026
- The current balance, sometimes shown as the account balance, adds whatever you have spent since the statement closed
The minimum keeps the account alive. It does nothing to keep the account cheap. Your statement already carries the warning in its own fine print. This includes an estimate of how long the balance would take to clear, and what it would cost. The statement also shows how long the balance would take to clear if only the minimum payments were made. The answer is usually measured in years. For a points collector, the framing is simpler. Interest at rewards card rates outruns the points earned on the same spending. So any month the closing balance is not cleared, the card is working for the bank rather than for you.
How the interest free window works on Australian credit cards
Australian cards typically advertise up to 44 or up to 55 days interest-free on purchases, as of July 2026. The phrase to respect is “up to”. The window does not restart with each purchase. It opens on the first day of your statement period and closes on the payment due date. This is commonly a cycle of about 30 days plus a payment window of 14 or 25 days. A purchase made on the first day of the cycle enjoys nearly the full ride, the same purchase on day 28 might get a fortnight. Points-earning cards often sit on the shorter 44-day setting, which makes the payday autopay habit worth more, not less.
That gives you a useful tactic: plan your biggest points-earning purchases for the start of the cycle. A large insurance renewal or flight purchase made just after the statement date earns its points immediately. It also gives you the longest possible runway to pay for it, and it is the safest way to meet a sign-up bonus spending requirement. This is the minimum spend required to unlock a card’s introductory points offer, without straining a month’s budget. Know your statement date and your due date, because they serve different purposes. And keep cash advances and cash withdrawals billed to the credit card off the card entirely. They sit outside the interest-free system, attracting fees and interest from day one and earning no points.
Set a direct debit for the full closing balance, not the minimum
The single most protective setting on a rewards card is a direct debit for the full closing balance. The minimum or a fixed dollar amount can leave a remainder rolling into interest unnoticed. Moneysmart’s practical suggestion in its guide to paying off your credit card is to set the payment for the day after your pay lands. The money exists, the timing is automatic, and the interest-free machinery maintains itself. Keep a buffer in the linked account and ask your bank to align the due date with your pay cycle if it offers that option.
Automation replaces memory, not attention. A five-minute pass over each statement remains the one manual habit worth keeping. Confirm the direct debit landed, scan for transactions you do not recognise, and note the subscriptions that have crept upward. If you use cards linked to both Qantas and Velocity, the same setting applies to each. Our comparisons of Qantas points-earning credit cards and Velocity points-earning credit cards highlight the fee and rate details that matter when choosing what’s behind the autopay. Our overview of Qantas and Velocity partners shows where the points those settings protect can go.
What happens when a statement is not cleared
Miss the full closing balance, even by a little, and three things follow:
- Interest applies to the unpaid amount
- New purchases typically start accruing interest from the day they are made. The interest-free period generally only operates while the previous statement was paid in full
- On many cards the benefit stays lost for at least the following cycle, returning once you clear a closing balance in full again
The repair is always the same. Stop adding spending, clear the account, and let the window reset.
The maths explains the urgency:
- Carrying a $5,000 balance for a single month at 22 per cent costs about $92 in interest. This is a typical rate for the rewards category as of July 2026
- The roughly 5,000 points that spending earned are worth around $85 on the valuations tracked in our rewards points valuations guide. This put Velocity Points at 1.7 cents, based on the December 2025 update
- Warning: one slip erases the month’s points and more, and every further month is pure loss
This is also the moment to pause the wider game. No new bonus chasing, and no transferring points toward redemptions while a balance accrues interest. However tempting the current transfer bonuses look.
What to do when you cannot pay the full closing balance
Some months simply cost more than others, and a plan for them is part of the strategy rather than a failure of it:
- Pay the most you can rather than the minimum, because interest compounds on whatever remains. Also prioritise the card over the points balance every time
- Call your bank early if the shortfall looks likely to last beyond a cycle. Hardship teams can move due dates, waive fees and set up payment plans, and they respond far better to early contact than late
- Call the National Debt Helpline on 1800 007 007 for free, confidential financial counselling if the debt feels like more than a rough patch. There is no shame in pressing pause on points. Letting interest run in the background while the collecting is the real mistake. The cards, bonuses, and redemptions will all still be there when the account is back to zero.
Frequently asked questions
Fees, rates and figures quoted are correct at the time of publication and should be verified directly with each provider before acting on them.
This article is general in nature and does not constitute personal financial advice. Consider your own financial situation before applying for any credit product. Point Hacks may receive a commission from card issuers for applications made through this site.