A former coworker did a write-up and an interview with one of his former clients and I think it sheds a lot of light on how this can work - <a href="https:&#x2F;&#x2F;robots.thoughtbot.com&#x2F;a-client-project-two-years-later" rel="nofollow">https:&#x2F;&#x2F;robots.thoughtbot.com&#x2F;a-client-project-two-years-lat...</a>