That is another very good reason, the world population is increasing, so there is a need for a lot of properties to buy or rent. And as you describe it, it is generally stress free, so it is good for seniors, as they are the ones who need tranquility and a lot of peace.Real estate industry no matter the aspect you are going onto seems very good on the simple basis that the worlds population is increasing and people are going social so there is a need to have housing and other buildings and it is usually stress free if you just invest the money that is why retirees do it.