I have been reading up on SEO techniques in an effort to learn how to do it thoroughly so I can charge my client for the service. To guage my price I have checked out competitor prices and noticed that theres a fair price difference when it comes to guarenteeing a page 1 ranking with global keywords compared to local keywords. So what is the difference in terms of work load and techniques used to justify this price difference? just to clarify, i am looking for technical differences in programming , methodology etc.