Car insurance can be expensive but it's one of those things that drivers must have.
The average cost of car insurance in the UK can be around £430, although it's more for young drivers.
Now with the cost of living crisis crippling Brits, Martin Lewis has shared a handy trick for saving money.
According to the MoneySavingExpert website, there's a specific time to sort out your cover to ensure you save a fortune.
Martin previously revealed the best time to buy car insurance was between 20 and 26 days before it's due date.
However, it's actually 23 days before as it can see your policy cut by half.
The website analysed over 70million quotes from comparison sites to find this sweet saving.
But it's worth noting that not all insurance firms are listed on comparison websites, so you might need to get in touch directly.
And if you miss that specific date, don't worry as the company found cheap quotes on either side of the days too.
Speaking previously, Martin said it's not about renewing, it's the insurance company creating a picture of the customer.
He said: "It's all based on actuarial risk."
This is when insurers compare how many people have claimed and what information they put on their applications.
It's actually based on what the majority of other drivers have done in the past.
The financial guru continued: "Adding an extra driver can cut your costs – it's especially useful for younger drivers."
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Having said that, you should be careful not to put them as the main driver, because this is called "fronting" and illegal.
Martin said that use comparison websites where you can because insurers have deals with sites.
He concluded: "I use at least three."
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