I have no idea. But I have seem some impressive videos on YouTube of master carpenters nailing boards at near-nail-gun speeds. So I could imagine the savings a

I have no idea. But I have seem some impressive videos on YouTube of master carpenters nailing boards at near-nail-gun speeds. So I could imagine the savings are more in terms of paying lower wages for someone with less training to do the same work as someone with X years of experience.