LPT: If you live in a cold area & can't afford heating, buy a hot bottle water. You can get one for under $5 & it can be a literal life saver.
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ONODIRY Hot Water Bottle with Knitted Cover, 1L Hot Water Bag for Hand Feet Warmer, Hot Water Bottle Belt for Pain Relief, Back, Neck, Waist and Shoulders : Amazon.co.uk: Health & Personal
10 surprising benefits of using a hot water bottle