61f7d3d9_ram___Community___SEO_Book_com__Benefits_
[Service] Average SEO Provider [Risks?] Many firms charge rates as though an expert is working on your site, but have under-trained college graduates and interns working on your site. If search algorithms change dramatically they are required to service many clients at once. Hopefully you are paying them a lot of money so you are high on their priority list. If not, then you might be stuck buying a lot of paid search ads and/or firing some of your staff. Some SEO providers lock you into their proprietary systems. [Benefits?] 
Generally cheaper than pay per click, especially after the first year.
Online SEO Training Program & Community : SEO Book.com
Benefits?