Look for the little "extras" some link building providers offer. Things such as pinging, submitting RSS feeds, or bonuses. Sometimes, pinging the links and submitting RSS feeds (if done properly) can lead to your links being indexed quicker. Factor these into your decision whether or not to purchase.



Many times when outsourcing backlinks, people will skip a service offered by people from countries such as Russia or Latvia. Some of the best providers I've hired, come from countries typically frowned upon by many people who do a lot of outsourcing.



Link building is a lot different from outsourcing things like graphics, article writing, or web design. Unless you want something very specific done, there's not much communication going on.