Whether a hosting account meets the system requirements of your websites and how easy it'll be for you to manage that account are two rather important things. In case you experience any kind of problems or your sites just can't run on the web hosting platform for the reason that they were designed to run in a different system environment, it would be rather frustrating in case you cannot get a complete or prorated refund and many companies out there have such policies. This way, you will end up losing funds as you will not be able to use a service you have paid for. To be on the safe side, you should check the refund policies of any company before you buy a web hosting plan, so in case you cannot work with the account or simply decide that you do not want to use it for whatever reason, you can request a refund.