Commercial Denver Real Estate Investment involves buying commercial properties that are bigger than a 4 unit apartment building. It is that real estate investment in which an estate is rented out or sold to make profit through rental income, interests, dividends, royalties, etc. but not for primary residence. It is better for the investors who are beginners in the field to avoid commercial real estate investment strategy. On the other hand, experience investor can go for for this kind of investment as the competition is much less.