The packages are sealed when collected and delivered. The drivers can be completely innocent of their contents. Once delivery has occurred, a garage offering 24 hour repair and maintenance, makes a perfect point for redistribution. Office cleaning provides a perfect cover for collection and redistribution. Packages can be both left in an office or collected from it, vacuums, buckets etc. being ideal containers.
Ladies hygiene specialists, ie toilet cleaners remove and deliver containers on a regular basis.
Again these can be used for both delivery and collection. Mobile video rental vans attract only passing interest. This is by no means definitive. The possibilities are infinite. And all of these activities are obvious and legitimate.