Martin Lewis fan shares how they saved £312 by following his 'haggling' advice
![Martin Lewis fan shares how they saved £312 by following his 'haggling' advice](https://i2-prod.mirror.co.uk/money/article32665781.ece/ALTERNATES/s615/2_martin-lewis.jpg)
The Martin Lewis fan named Penny shared how they followed the Money Saving Expert (MSE) founder's advice and haggled with their provider when their mobile phone bill went up to £40 a month