Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Are parking spaces and garage boxes a good investment?
In Italy (even with taxes that are more than 50% on income) owning garages is generally a good business, as you said: "making money while you sleep", because of no maintainance. Moreover garages made by real concrete (and not wood like in US) are still new after 50 years, you just repaint them once every 20 years and you change the metal door gate once every 30 years. After 20 years you can be sure the price of the garage will be higher than what you paied it (at least for the effect of the inflation, after 20 years concrete and labour work will cost more than today). The only important thing before buying it is to make sure it is in an area where people are eager to rent it. This is very common in Italian cities' downtown because they were built in dark ages when cars did not exists, hence there are really few available parkings.