Japan, a country with a population of 125 million, has 9 million abandoned homes. There are various factors like declining population, very high urbanization, etc.<p>A lot of services have come up to help buyers because of the government's initiatives to help save areas with large numbers of abandoned houses.<p>This issue presents opportunities to foreigners to have cheap holiday homes which they can use as a side business using services like Airbnb.<p>Japan is one of those countries where a foreigner can buy property without needing a long-term visa. A foreigner can buy a house just on a tourist visa.