I want my site on the first page of Google

I want my site on the first page of Google with any of one keywords Turnkey Websites Turnkey Website Php Scripts Php Script site url [login to view URL] (page rank 5) Payment only with escrow. plz don't ask for any upfront. Condition (Must Read Fully): The keyword ranking should be there for at least 40 days before making any payment. I will pay additional bonus when the ranking stay there after 40 days. So, White hat efforts need to be put in getting rankings.