I understand that but your assuming you never replace the robot, no downtime, no amortization, no maintenance costs. Which is not reasonable either. At 3 years

I understand that but your assuming you never replace the robot, no downtime, no amortization, no maintenance costs. Which is not reasonable either. At 3 years you are likely break even with humans with no maintenance costs. At 5 you're likely actually b/e, and may need to do major matinence or an upgrade . 24/7/5 is a lot of wear and tear.