The robots, yes. The sorters and conveyance, far less so. A huge portion of their cost is just the installation. For a big, high speed 'shoe'[0] sorter, you're

The robots, yes. The sorters and conveyance, far less so. A huge portion of their cost is just the installation. For a big, high speed 'shoe'[0] sorter, you're talking about a machine more than 100m long that is heavily, heavily bolted into the cement floor. I believe that particular building has four such sorters. [0] Not a sorter of shoes for your feet, but a sorter that uses little boxes called 'shoes' to carefully knock packages off at the right place.