Is the Litter-Robot 4 worth $650?

My litter box is an open plastic box underneath the sink in my small Brooklyn bathroom. My cat, Colby Jack, likes to keep a clean house – and by that I mean that if his litter box is dirty, he will pee on your clothes.

So I jumped at the opportunity to try out the Litter-Robot 4 and its promise that I wouldn't have to follow...