The rate for link building services varies depending on factors like project scope, desired number of backlinks, link types, quality of targeted websites, and the agency's reputation. Rates can range from a few hundred to several thousand dollars. It's essential to remember that the cost of link building, either per link or the link profile or backlink packages, is an investment in improving your website's online presence and should be evaluated based on the potential long-term benefits it can bring in terms of increased organic traffic, higher search engine rankings, and improved brand visibility.