Backlinks is a key factor for Search Engines determine the quality and popularity of a website/blog. In the Search Engine Optimization (SEO) world, Backlinks is always the main subject that all Webmasters and SEO experts have to face and get headaches.
Backlinks, in a simply meaning, it is a link from an external website that link back to your website/blog. The more quality backlinks you have, the more chances to get higher Pagerank and higher position in the search result page. Therefore, you need to have plan to build the backlinks as much as you can right after your website/blog is launched with some contents. It will drive a lot of traffic to your site, increase revenue on advertising, leads and sales.
There are some services/tools will help you avoid spending hours for building back links to your website/blog. Below, I’ll share with you the most popular Building Backlinks Services/Tools that help to create up to 275 do follow backlinks (it means submit your url to 275 sites) a day for FREE with just few click. If you need more than 275, you may have to pay 
Note: you need to sign up in order to get benefit from FREE services below:
1. Socialmonkee.com
socialmonkee
- 25 backlinks a day
- Premium level is available
- Support Firefox plugin, that’s much easier and better
- Sign Up Now: www.socialmonkee.com
2. 247backlinks.com
247backlinks
- 50 links per day
- 4 Subscription Plans:
- A. 250 links/day
- B. 500 links/day
- C. 1000 links/day
- D. 2500 links/day
- Sign Up NOW: 247backlinks.com
3. backlinksseo.com
backlinksseo
Fell free to post your own opinion if you have some.
