Owning property in Japan does not come with a visa. You can buy as a foreigner without restriction, but the house gives you no right to live there. For most overseas buyers, that settles the question of how much time they will actually spend in it, which is not much. You will be somewhere else for most of the year. So, can you still Airbnb a house in Japan you are rarely in? Yes. Just not the way the short videos suggest. What follows is the short version. The full process, i