Debt doesn't disappear because you stop opening the statement. It sits there, quietly compounding, while you wait for a bonus, a windfall, or a burst of motivation that never quite arrives. Most people who are stuck with credit card balances, an overdraft, or a couple of store cards aren't stuck because they lack a plan. They're stuck because they've never picked one and stayed with it long enough for it to work.
There are two well-known ways to pay down multiple debts, and the debate between them gets treated like a maths problem. It isn't. It's a psychology problem wearing a maths costume.
The Avalanche Method
The Avalanche method lines your debts up by interest rate, highest first, and throws every spare pound at that one while paying the minimums on everything else. Once it's cleared, you roll that payment onto the next-highest rate, and so on. Mathematically, this is the cheapest route out of debt. If you've got a store card charging close to 30% APR sitting next to a car finance deal at 6%, the Avalanche method saves you real money by killing the expensive one first.
The Snowball Method
The Snowball method ignores interest rate entirely and lines debts up by size, smallest first. You clear the smallest balance as fast as possible, then take that freed-up payment and roll it onto the next smallest. It's more expensive over time than the Avalanche method, but it produces a win faster — and that first "paid off" moment is often the difference between someone who sticks with the plan and someone who quietly gives up in month four.
Pick the Method You'll Actually Finish
Here's the reframe: the "best" method isn't the one that saves the most in interest. It's the one you'll actually finish. A perfect spreadsheet strategy you abandon after six weeks costs you more than a slightly-less-optimal one you see through to the end. If you've tried to pay off debt before and lost momentum, that's not a willpower failure — it's a sign the method didn't match how you're wired. Some people are motivated by logic and can hold a long-term goal in their head without needing a quick win. Others need proof, early and often, that the plan is working. Neither is wrong. They're just different starting points.
A practical way to decide: if you've got three or fewer debts, or if one of them is charging a genuinely punishing rate, the Avalanche method is usually worth the discipline it demands. The saving is concrete and the finish line isn't too far off. If you've got four, five, six smaller balances scattered across cards and store accounts and the thought of tackling them makes your chest tight, start with Snowball. Clear the smallest one first — even if it only takes three weeks — and use that as proof the system works before you commit to the longer haul.
Build In a Circuit Breaker
Whichever you choose, the method only holds if new debt doesn't creep in underneath it. This is where a lot of well-intentioned debt payoff plans quietly fail: someone commits to the Avalanche method, sticks to it for two months, then an unplanned expense lands and goes straight back on the card they were just clearing. The fix isn't more willpower, it's a small piece of friction between the impulse and the spend. A version of what we call the 48-Hour Holding Zone works well here — anything outside your normal weekly spending gets parked for two days before you decide on it. Most impulse purchases lose their pull well before the 48 hours are up, and the ones that don't were probably worth buying anyway. That gap is often the only thing standing between "I'm paying off debt" and "I'm paying off debt while adding more."
Leave Room for Joy
It's also worth being honest about joy here, because most debt plans strip it out entirely and that's exactly why they fail. If your repayment plan has no room in it for a coffee out or a night with mates, you will break it — not because you're weak, but because a plan with zero flexibility isn't a plan, it's a countdown to rebellion. Build a small, fixed amount of guilt-free spending into whichever method you choose. It costs you a little time on the finish line. It buys you a plan you'll actually stay on.
One more thing worth naming: minimum payments are not neutral. They're calculated by lenders to keep a balance alive for as long as legally possible while collecting the maximum interest along the way. Paying only the minimum on a card charging 25%+ APR can mean it takes over a decade to clear a balance that felt manageable when you opened the account. This is exactly why the order you attack debts in — Avalanche or Snowball — matters more than most people realise. It's not about being good with money. It's about having a system that works with, not against, how you actually make decisions under pressure.
Pick a method this week. Not the "ideal" one — the one that matches how you're wired. Write your debts down, smallest to largest and highest to lowest interest, and pick whichever list feels less exhausting to look at. That's your starting point.