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The financial guru said this is a ‘key weapon’ in cutting bills (Picture: Getty/Metro.co.uk)

If you’re one of the estimated 64% of Brits who has at least one credit card, Martin Lewis has a top tip that could save you bigtime.

In the latest edition of the Money Saving Expert site’s weekly newsletter, its founder referenced new Bank of England figures showing credit card borrowing is up almost 8% over the year.

‘Debt can be depressing, dangerous and debilitating, but ignoring it only makes it worse,’ said the consumer champion. ‘The best time to tackle it is right now.’

And in classic Martin Lewis fashion, he also shared a simple yet genius masterclass to go about lowering these credit card bills, telling readers, ‘you can’t afford not to’ give it a go.

According to the financial guru, checking if you can switch to a 0% balance transfer card is a ‘key weapon’ in cutting your debt faster.

‘You get a new card that pays off debt on existing cards, so you owe it instead, but interest-free for a set period,’ he explained. ‘This way more of your repayments clear the actual debt, not just mostly cover interest.’

Switching could save you hundreds (Picture: Getty Images)

One MSE user, Raheem, was previously paying over £90 a month interest alone on his £6,000 credit card bill, and felt trapped in ‘a hole’ due to the high repayments – which he’s now slashed after swapping to a 0% balance transfer for 27 months.

The exact amount you could save is dependent on how much you’ve borrowed,the interest rate charged, and how much you repay each month, but the current average now sits at around 19% APR. So if your balance was £2,495 (the UK household average) and you manage to nab a year-long interest-free transfer paying back £230 a month, provided you don’t spend anything else, you’re saving £241 and paying off your full balance more than a month earlier.

Alongside a range of cards offering the best rates – including options for those with low credit scores – Martin offered up a few need-to-knows you should be aware of before you apply.

He first recommended checking your eligibility using an online calculator, which does a soft search (so won’t impact your credit score) to give you an idea of where you’re likely to be accepted. This is because applying for a credit card can affect your score, so it’s worth being selective to avoid multiple unsuccessful applications.

Next, Martin advised to ‘go for lowest fee within 0% time long enough to clear debt.’ There might be a one-off fee to transfer, and these are typically higher for cards with longer 0% offers, so work out your affordability and consider choosing a shorter deal if you can manage.

Alongside this, you can cut costs by focusing on the highest APR debt first, using all your spare cash to clear the most expensive (which is growing fastest) then paying off minimums on everything else). Once it’s clear, move on to the next one.

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Ensure you do a budget and minimise spending wherever possible, and prioritise paying off debt over saving, as the interest you’ll earn in a savings account is highly likely to be less than what you’re charged on a credit card or loan.

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