Good Morning Britain's Martin Lewis has issued a two week warning to Tesco shoppers.
The consumer champion fronted Wednesday's episode of the ITV news programme alongside Susanna Reid. Wednesday's edition of the show was the latest instalment of Wallet Wednesdays.
The finance guru reminded viewers of some important upcoming deadlines on today's show. He warned people who shop at Tesco that £15m worth of Clubcard vouchers will expire on May 31.
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Martin urged people to check online whether they have any of these vouchers and shared a tip for how people can extend their perks.
Tesco is reducing its Clubcard Reward perk from 3x to 2x so, for example, you can currently can trade in a £5 voucher for three times the value. This will change to double on June 14 - but Martin urged shoppers to use a trick to extend the life of the voucher.
He said: "You go online, spend 50p on a restaurant voucher of your £10. So you now have got £1.50 of your restaurant voucher because 50p becomes £1.50.
"For the rest of the £9.50 they re-issue and it lasts another two years. So if you spend just a little bit of a voucher the rest of it is reissued and it last another two years. But otherwise the older vouchers become invalid on May 31."
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