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As a cheapskate I am left looking at the 5k+ mounts and cant see much more than R&D recovery / prestige to explain the costs.
In my head there would be room for a competitive profit margin provided you can get the order quantity high enough to offset the batch tooling costs.
Other things would be cost optimisation on the operations to get your raw pieces. The gold standard would be cast sections with minimal cleanup machining for the body segments. Brushless servos are common. Would mainly be secondary feedback to trim for backlash.
Rigidity and friction across various angles is just time spent in the CAD package. The high end mounts are essentially expecting a peir. So that makes that criteria much easier.
There will be R&D costs involved. Mainly for the casting and machining. But if that can be minimised i can see some solid margin left compared to larger equally as precise equiptment e.g. lathes and mills.
Usb hubs and power hubs are literally a drop in the bucket. I would not expect that to contribe more than 1-2% of total cost
Hand controller could add some cost. Mainly for software r&d if synscan or similar is a closed standard.
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