File formats are getting larger and larger. If you are using your Cheap Windows VPS hosting to manage products, store videos, or just about anything else you can imagine, you will quickly maximize most storage limitations.
You should understand the way most of these companies define "unlimited" bandwidth and storage. Most of them have calculated the average use of their customers and simply provide "unlimited" resources based on a multiple of this number.
For instance, if they have found their average customer uses 2GB of bandwidth each month, they may offer an "unlimited" package that is really capped when you reach 8GB of use. You need to figure out if there is an actual limitation and whether or not you are likely to hit it. Don't get caught off guard.