If you have a programmable thermostat, set it as low as comfortable and lower it again when you're sleeping or away from home ...

Take stock during the festive fortnight to look at all your outgoings and make sure you're paying for products and services ...

Using a VPN, or virtual private network, is one of the best ways to protect your online privacy. We review dozens every year, and these are the top VPNs we've tested.