Beyond Paper

"Google and the other search engines have started to seriously focus on the issue. In cases where they have good reason to suspect links being bought and sold, both the selling and the buying web sites are usually dropped in rankings or have a penalty which downgrades the ranking. This may mean nothing to the big company that has 1000’s of web sites, but most small companies have one site. To be dropped in the rankings for a domain means, transferring to a new domain, or reworking your links and that can be a long process."

—Should I buy links to my web site?