You should manually create web 2.0 highly safe and google friendly high DA backlinks 100 % compliant following Panda, Penguin and Hummingbird updates:blogger.com, weebly.comwix.com... and automatically builds 100+ high quality backlinks(DA>30)
Then, Tier 2 build backlinks automatically - follow to build links to tier 1(use GSA or Scrapebox)
Read more: http://www.blackhatworld.com/seo/improve-your-websites-google-rank.874948/page-2