When assessing cost savings, it is important to keep an eye on the volume of files that can be destroyed.
The Flying Filing Squad has implemented retention and disposal schedules and found that some of the files could have been destroyed ten years previously. Imagine if there has been 100 boxes stored for ten extra years. An extra $6,000 has been spent over that time (average annual storage seems to be $6 per box)
So, apply those schedules when the file is created and take charge of the destruction when it is due