Backlink is still the most important factor in SEO but the link directly on the Forum too risky and tired.
I will give you 30 Backlink: Website + Blog 2.0 extremely quality help you SEO effectively and protect your WEB most secure
Website: 10 Backlink (100% different Ip address, web quality not penalized)
Blog 2.0: 20 Backlink (Comes from Blogspot, WordPress.com, Weebly, Tumblr, Linkedin …..)
With 30 backlink from Website + Blog 2.0 extremely quality I believe will help your keyword to be extremely effective and safe.
The system has been tested for a long time and is extremely effective.