Whether a web hosting account meets the system requirements of your sites and how easy it'll be for you to maintain that account are two quite important matters. If you experience any problems or your websites just can't work on the web hosting platform for the reason that they were designed to run in a different system environment, it would be rather inconvenient in case you cannot get a full or prorated refund and lots of service providers on the market have such policies. Thus, you will end up losing money as you won't be able to use a service you have paid for. To be on the safe side, you should check the refund policies of any provider before you purchase an internet hosting plan, so in case you cannot use your account or simply decide that you do not want to use it for whatever reason, you can request a refund.