Martin Lewis has shared how you can get up to £400 for free by switching bank accounts. The MoneySavingExpert.com founder used the latest episode of his ITV programme The Martin Lewis Money Show Live to share his tips for getting financially ready for the festive season. One audience member asked whether it is worth changing banks. Martin explained to the studio audience how the process of switching bank accounts work, and the best free cash perks currently available. He also revealed the