COST-A NADA Home Exchange website lets you stay in luxury properties around the world for FREE – just like in The Holiday Exclusive Apr 2 2021, 4:06 ET YOUR next holiday could be completely free - as long as you are willing to let someone stay at your house. Website HomeExchange, where you swap homes with someone else around the world, has seen a boom in UK properties signing up, which lets families swap their houses to stay somewhere else for free. 5 You could find yourself in a luxury home in Bali - without having to spend any money While this can be a simple house swap across the UK, you could find yourself in Paris, New York or even Hawaii without having to splash the cash on a hotel or Airbnb.