Bright-blue garage doors slide shut over each unit inside the low-slung white buildings of Cowtown Mini Warehouse Self Storage, shutting off valuables such as boats, cars, or diamond-encrusted scepters from the outside world. Items are left inside the 240-square-foot spaces by clients who entrust the facility to safely and securely stow their belongings for a period of time. Owners rest easy knowing their boats are safely and securely tucked away for the cold months and smaller possessions are protected while they travel for extended periods of time. When they're ready to retrieve them, owners can show back up to the facility at any time of day or night to haul the items off.