Cut your energy bills by a third? No, these ‘energy-saving plugs’ will cause nothing but hassle

The plastic ‘eco-plugs sold via social media or cold calls either never arrive or have no benefits when they do. And they can be dangerousEnergy bills are on the rise and winter is coming. The solution? How about a plug-in box which promises to save you money by making household appliances work more efficiently. Or maybe you can drive down your usage by putting in a “voltage regulator” that can cut your costs by almost a third.The reality is that, at best, these “energy-s