$5M/hour can pay for a lot of engineers. So as you say - with such assumptions - you can and should pay for both up-front design, QA and people on-call, otherwi

$5M/hour can pay for a lot of engineers. So as you say - with such assumptions - you can and should pay for both up-front design, QA and people on-call, otherwise you only have your self to blame for the loss.