If you have a piece of land in commercial areas, one of the profitable businesses you can do is a business of warehousing. You can build a warehouse in your land and let businesses store their products in your warehouse. Running a warehouse is a profitable business, however, you need to make big investment. You not only need to build the warehouse, but also install strong security measures against theft and robbery, you will also have to hire security guards for 24 hours as well as find businesses or individuals who need warehousing services. Have you ever considered this business model?