Home exchanges are becoming an increasingly popular way of having a cheap holiday in Spain, but what are the rules and regulations surrounding the practice, and are there any tax implications? House swapping is exactly what it sounds like – you exchange your home with someone else for a defined time usually for vacation purposes. READ ALSO: Am I allowed to house swap if I'm a tenant in Spain? Not only does house swapping help you save money when you travel, but it can also allow you to have facilities you wouldn't normally have at hotels such as kitchens, toys for kids, books etc. This means that there are no guarantees when you house swap and you’re not protected by Spanish law.