We regularly examine customer bandwidth and disk space utilization data in a series of statistical analyses and use the results to define "normal". Although these tests vary from month to month, one thing remains constant: 99.95% of our customers fall into "normal" range. If your account's bandwidth or disk space utilization causes any concern, you will receive an email asking you to reduce usage. We strive to provide at least 48 hours notice to allow customers to make adjustments before we take any corrective action.
You'll also want to consider how long you'll need dedicated web hosting. If it's a short-term project—say, less than a month or two—you'll typically receive a refund should you cancel your hosting within 60 days. Some companies offer 30-day money-back guarantees, while others offer 90-day money-back guarantees. Once again, it's beneficial to do your homework.
What I would do is setup the tower so it plays with the best possible performance. As nobody will be playing on it you can pull all the graphics down to their minimums. I'd set it up with a password initially until you can create a small central base with a bed where the main character will respawn and then make it player proof (dbl steel walls and off the ground).
A gaming server is a dedicated server used for online games such as World of Warcraft or Minecraft. The benefit of a dedicated server for gaming is that your server is often more stable than the game client itself, which is impacted by multiple players and resources. For a smooth gaming experience that you control, a dedicated server is the way to go.