Here are some ideas on how to cut down on all that budget you spend with outside agencies.  The video was clearly done by someone at an agency or supportive of agencies.  I can tell you have done nearly all of the things in this video to negotiate lower rates with agencies for various projects (and it often works).  I think that it is up to the agency to say "no" and hopefully (for them) their service is valuable and unique enough that you will still pay for it.

With all that said... the video is still funny and really well done and worth a gander.