In many environments, managing site requests and going through the site collection provisioning process is one of the most frequent ongoing tasks. In many cases this is a manual task, and while it is pretty easy to do, it can be tedious and repetitive. There should be some general standards established for how sites should be created, which templates are available, what quotas to apply, and where to put the site collection. In addition, many organizations also have governance policies that require the site request be logged or approved before it can be provisioned in order to meet compliance goals.
Providing an automated site request and provisioning system will: