SEO is NOT about getting listed for every possible keyword. This is the biggest mistake that is made by webmasters and web designers. Most people try to get as many high search engine rankings as possible, AND for as many keywords as possible. That is not only a lot of work, it is also a complete waste of time.

Once you know the keywords that lead to conversions, (sales) you should then set about optimizing your web pages for these keywords. While PPC allows you to quickly test keywords, and you can see the results within only a few days, optimizing your web pages allows you to get targeted visitors, WITHOUT you having to pay for them. Search engine optimization can lead to great results if you concentrate on the right goals. Search engine optimization is about improving your business. It is not about getting as much traffic as possible.