Real Estate normally includes title to air rights, mineral rights, and surface rights which can be bought, leased, sold, or transferred together or separately. It is a piece of land, including the air above it and the ground below it, and any buildings or structures on it. It can include business and/or residential properties, and are generally sold either by a relator or directly by the individual who owns the property for sale by owner. Real estate is a type of property, containing either a single family or multifamily structure, that is available for occupation for non-business purposes.