At the Nov. 6 Baron Investment Conference, Elon Musk said Tesla will “probably rent” Optimus rather than sell the humanoid robots, Not a Tesla App reported. He said build costs would start about the same as a car — around $30,000 — and fall toward $20,000 over time, without naming a rental price. Tesla North’s interview transcript records the same exchange, including Musk’s estimate that Optimus could be about five times more productive than an average human worker.