Martin Lewis says 3p per hour device ‘on sale’ at Asda for £18 keeps you toasty as temperatures drop

Personal finance guru said some people who can’t afford to keep their heating on at all need to consider how to heat their bodies up directlyMartin Lewis gave some crucial tips to ‘heat the body not the home'(Image: ITV)Personal finance expert Martin Lewis has urged people who are being hit with serious financial issues – to the point they can’t put their heating on – to consider a 3p-an-hour gadget.