![](https://www.xn--72cb4brw0a7cvcl5nycyb.com/wp-content/uploads/2023/02/wp-header-logo-634.png)
How could you keep warm at night for the lowest cost?
All Things Money financial blogger Ola Majekodunmi goes through the numbers – in under a minute.
Check safety advice before using any device, for example letting water cool for a few minutes before filling a hot water bottle.
Produced by Jamie Moreland and the Video Formats team.