Keeping track of your monthly cloud computing bills isn’t easy. While it is great that cloud providers usually charge you on the resources you consume, the various elements of your bill are very complex and made up of dozens of different factors, such as CPU core, storage units, RAM size and data transfers. Fortunately, there are a number of online services (see chart below) that can help you save money by using a series of clever choices. In this article for CIO (email reg. req.), I will look at five questions that you can ask to try to reduce your monthly cloud computing bill.