In addition to everything others have already said, I think one of the hardest parts is continually dealing with occasional upstream outages and API changes. In

In addition to everything others have already said, I think one of the hardest parts is continually dealing with occasional upstream outages and API changes. Initial automation setup is exciting, repeatedly revisiting it after it worked just long enough to forget almost everything is a chore. It's a good fit for "as a service" outsourcing to full-time experts.