The cost for the total work will not be said, but only some packages, which you can choose the one that suits you needed for the work(The 7 USD per hour, it will be invested in the points you want to do, depending on the budget, so will the number of hours):
1. Web Traffic: For every 10 USD, 300 fictitious daily traffic will be sent for 30 days. (Each additional day increases 0.5 USD and for 50 people more increases 1 USD)
2. Backlinks, sharing on different pages you website has a cost of 20 USD, covering the invitation to your website.
3. Share your website in social networks have a cost of 25 USD.
4. (Only wordpress) Install the PRO version of the plugin that will facilitate the administration of SEO on the website and SEO ready to the home page, it have a cost of 50 USD. (Also a video or images that serve as a manual to help explain the operation of the plugin is done. (By making changes to each internal page of the website has a cost of 5 USD).
5. Start Google adword campaign has a value of 50 USD, banner creation including, also keywords and a contribution of 15 USD to start the campaign.
6. Website Optimization, ensuring that you will go up in the ranking of search engine Google, 300 USD (200 USD if you purchased the above points)
Note: The waiting time to start seeing results ranging from 2 to 12 weeks, depending on the amount invested..
I will like to work with you if you let me, we hope we can stay in touch and get together this work, I am sure you will not regret.