Our free email updates are the best way to get headlines direct to your inbox Our free email updates are the best way to get headlines direct to your inbox An energy expert has issued a warning over a cost-saving device, popular on TikTok, that could pose a fire risk. TikTok is littered with energy-saving hacks that people have been using to beat the cost of living crisis. While some of these hacks pay off, others can be dangerous. One particular hack that's grown in popularity recently involves installing an "energy saving box", which claims to optimise the performance of...