If you get your own web server, you shall have more liberty on what you are able to install and run compared to a shared hosting account. With a shared service, you have access simply to your own account, therefore you're not able to install server-side software. Even though this is not an issue for the majority of script-driven apps, there are a few that have certain requirements and need certain software to be present on the machine either for some additional functions or for them to work at all. In the event that you have practical experience, you'll not have any difficulties to run the server, but if you do not, you may simply not have the skills to deal with everything and use the script applications which you want. If this is the case, you could use our Installation & Troubleshooting upgrade, so our system admins can setup everything for you and help you with any difficulties that you may come across.