When I first started my design business, I thought the only thing I had to do was design (and be good at it). Boy was I surprised when I realized everything else I had to do to keep my clients happy and keep myself sane. I couldn't just design- I needed to have a smooth client onboarding process, create intro packets, welcome packets and goodbye packets, use a project management tool, streamline my project wrap-up process and more. And then there's the mundane tasks that ALL business…