Private Blogs Network is a best choice to get better google rankings.
You will pay fro 1 article on one high DA blog with login access. You can choose how many blogs you need.
What you will get:
Tier 1: Web 2.0 Blogs – articles with 500 words, links to main site.
Tier 2: 20,000 links to your Tier 1 blogs.
Turn Around Time: 7 days.
After job done you will get email with full report about links/passwords/login made.