Yup. It might seem like it's shit loads of money for something, especially when the project is rather simple. But something that simple might be a tool that save 10hrs/wk of work for a client.

Patrick (again) has a great post on it http://www.kalzumeus.com/2011/10/28/dont-call-yourself-a-pro...

P.S. Patrick, if you see it, I am your fanboy ;)