However great your product or service is, in any business there are always clients that are not the best for business... The moment you stop enjoying a task you previously enjoyed, there is a problem. Personally I hate doing things that I don’t enjoy. This is mainly for two reasons; first, my productivity level drops like by 50% and secondly...
http://onlinecashacademy.com/blog/5-signs-its-time-to-let-your-client-go/