Martin Lewis has advised his followers to carry out a 'cheeky' test by sending a text to a five-digit number, which could lead to substantial savings. The money-saving guru believes there are 'four ...

16:02, Mon, Oct 6, 2025 Updated: 16:13, Mon, Oct 6, 2025 Mobile phone users have been urged to text a simple five-digit number to find out if they could save money on their monthly bills. With Tesco ...