You are all missing the obvious here. It's not something you buy for yourself. You buy a fleet of these things and rent them out. Oh sure, there's the overhead of having a 24hr helpdesk, the spare parts department, service bay, etc, but I'm pretty sure if you bought say 8 of these things, you could keep 7 up and running at all times.
Then there's the pack ins. Nobody rents a steam cleaner to make money on the vacuum, it's all about the fluids and consumables. Same thing here.
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-Scott
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