Martin Lewis' consumer website MoneySaving Expert has shared some advice on the exact aisles shoppers can find the same products but for cheaper. The team explained how often customers can find the same products cheaper in world food and baby product aisles.
Sometimes the difference in prices can be just metres apart - so it pays to look around. "Find the food aisles where supermarkets hide top bargains," the MSE team wrote in their latest newsletter.
"We've uncovered where to find the best price." Other tricks shared in the latest MSE email include making the most of discounts and coupons, the Mirror reports.
You can search for offers online, or free supermarket magazines are often packed with coupon codes. MSE also recommended playing “online grocery run-around” by taking advantage of first-time shopper online discount codes - and claims you can get up to £80 off.
For example, first-time online shoppers can get £15 off Sainsbury's or £5 off Iceland. “The best supermarket discount codes come for first-time online orders, and it pays to use 'em all,” said MSE.
“Simply shop at all the places you've not used before as a one-off to save.” You could also try “downshifting” your supermarket shop. This is where you swap branded goods for supermarket own labels - and it could save you 30%.
So if you spend £100 each week on food, that'll be a saving of £30 - over four weeks, this goes up to £120. If you like the swapped out food, and stick to the cheaper brands, your total savings over a year could amount to over £1,500.
Supermarket shoppers are being hit by soaring inflation - meaning it has never been more important to save cash where you can. Inflation hit a new 40-year high of 10.1% in the 12 months to July - with the Bank of England warning that it could hit 13% by October.
The biggest contributor of rising inflation in July was food, according to the Office for National Statistics - with grocery inflation at 12.6%. Bread and cereals increased in price the most, followed by milk, cheese and eggs.
Vegetables, meat, sugar, jam, honey, syrup, chocolate and confectionery all rose in price as well.