SEO is not a product, it's a service. It's a services that takes lots of time, resources and work to complete. In addition, SEO (search engine optimization) and SEM (search engine marketing) are valuable services that are done specifically for the purpose of creating a return on investment. Building a website or implementing a campaign with SEO ensures you will generate leads and convert visitors into customers. Simply designing a website and building it or having it built does not do this for you. Marketing in general is expensive because marketing is what you do to bring your business more revenue. Search Engine Optimization and Search Engine Marketing are simply online versions of what you likely already doing in your local market.