Having worked hard and studied for some time I successfully completed my LPIC 3 cert, it is one of the top certs I have and it confirms to end clients that I have a deep understanding and complete end to end view of any Linux environment. The goal for any professional Linux specialist should be the LPIC 3 cert, I know from personal experience that it will not only benefit you professionally but also financially as end clients pay a premium for top rated quals and professionals who attain them.