An SEO consultant can cost you an average $100/hour. Below are some helpful and some even free resources to help with SEO and keywords:
PPC Management (Free to $299) – Offers solutions for keyword tracking, SEO, PPC – Pay Per Click and analytics.
Google Webmaster Tools (Free) – Quickly analyzes Google search performance and allows you to make adjustments:
Firefox SEO Toolbar (Free) – Includes free access to PageRank, Age, Links, Page Links, del.icio.us, Technorati, Alexa, cached, etc.:
RankQuest add-on for Firefox (Free) – Includes information for Meta Tags, Keyword Analyzer, Code Cleaner and Link Checker:
Please visit the following site for some more valuable information: