ONE crafty customers has revealed a hidden code trick that lets shoppers to make the most out of their deals.
For those who keep an eye on supermarket offers, this sneaky hack can tell you the right time to take advantage of a bargain.
Jordon Cox, known as the Coupon Kid, explained that the code found under deals at retailers aren't just random numbers.
In a video posted on Instagram he explains what to look for under the Clubcard prices.
He said: "This secret code at Tesco might save you money.
"The last two numbers are the day, the middle two are the month, and the first two are the year of when the deal expires.
Read more Money
"If it's an item you buy regularly, you'll now know when to stock up before the price goes up."
Now when a Clubcard deal is especially tempting, you will know whether you can find it in store the next day.
Shoppers were thrilled with the the supermarket hack and quickly took to the comments.
One user wrote: "I stocked up with five Freddos the other week because the deal expired the next day.
Most read in Money
"It's got to be done."
Another added: "Great tip, thank you."
A third shopper commented: "Love this."
Jordon has crowned himself "Britain's Coupon King" and offers tips about making the most out of your cash.
Tesco's Clubcard system allows supermarket shoppers a different price to those who aren't signed up to a Clubcard.
Big discounts are offered regularly to Clubcard holder and the offers apply to a wide range of products.
Usually the reduced prices are shown as a big yellow sticker next to the original price.
When using the Clubcard you're also able to save up points as you shop which can make you savings in the future.
Each time you spend £1 in a Tesco shop, either in person or online, you are allocated one Clubcard point.
READ MORE SUN STORIES
One point is the equivalent to one penny, so eventually these points will tot up and turn into vouchers.
You can spend these vouchers in store or exchange them for discounts with "rewards partner."
How to save money on your supermarket shop
THERE are plenty of ways to save on your grocery shop.
You can look out for yellow or red stickers on products, which show when they've been reduced.
If the food is fresh, you'll have to eat it quickly or freeze it for another time.
Making a list should also save you money, as you'll be less likely to make any rash purchases when you get to the supermarket.
Going own brand can be one easy way to save hundreds of pounds a year on your food bills too.
This means ditching "finest" or "luxury" products and instead going for "own" or value" type of lines.
Plenty of supermarkets run wonky veg and fruit schemes where you can get cheap prices if they're misshapen or imperfect.
For example, Lidl runs its Waste Not scheme, offering boxes of 5kg of fruit and vegetables for just £1.50.
If you're on a low income and a parent, you may be able to get up to £442 a year in Healthy Start vouchers to use at the supermarket too.
Plus, many councils offer supermarket vouchers as part of the Household Support Fund.