The supermarket giant has offered a word of warning to customers (Image: Getty) When it comes to food shopping we are all aware of how much our bills are rising due to the cost of living and inflation. However, thanks to supermarkets like Tesco who have introduced its Clubcard and Sainsbury’s with its Nectar card, customers can enjoy a slight discount thanks to their discount schemes. In case you don’t know what a Nectar is, when you shop at Sainsbury’s you can get a slightly cheaper discount on certain products.

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There are no hidden charges or fees that you have to pay to be a part of the scheme. READ MORE: Tesco shares warning to th.