It's no surprise that living costs are sky-high these days. Energy prices are through the roof, food shopping feels like a luxury and incidental expenses can also hinder our bank balances too. Another drain on our finances is our mobiles. They're essential for staying connected, but often at a hefty price. Money saving guru Martin Lewis has shared another gem of financial wisdom that is changing lives. One man shared how he's now only paying £6.90 a month on his phone bill, all thanks to the