Housing is a good investment as long as people can afford the rent, and want to live there. If people could not, or do not want to live there, the house stays v

Housing is a good investment as long as people can afford the rent, and want to live there. If people could not, or do not want to live there, the house stays vacant and it becomes a poor investment. When housing becomes a bad investment, very few people will spend their money and time building new ones. The demand for housing depends on demographics, it has nothing to do with it being a good or bad investment. But whether it is a good or bad investment has a lot to do with demand for housing.