However strong or appropriate your use of keywords or key phrases might be you are not going to rank prominently on the search pages of the leading search engines unless your contents are highly relevant to them. Good provider side from whom you buy links takes appropriate action to provide you such links that would look completely natural and contains highly relevant contents. In result it is ensured that your website gets adequate search engine optimization.
Reputed providers will always write very relevant contents for link building using your targeted keywords. For example with edu text links the contents will not only be relevant to your keywords or phrases but they are built up in a very natural way. In addition the provider will assure that links are permanent and not put to the cache memory after some days by the search engine, eventually to be deleted.
Another major advantage of buying text links from a good reputed site is that they will provide you with real links and not the spamming links. The text links that would be provided by them will add to and not subtract from the effectiveness of your website. They also ensure that you get ideal number of permanent links that would be really useful instead of clustering your pages with useless links that do not provide any results and does not help your search engine optimization.