Adsense site with earnings paid as it hits milestones. Price to include an adsense account.
1..I will pay us 300$ for website designing..
2..I will pay us 100$ if you make 500$ and another 100$ if you make another 700$..and so on with milestone..
The payments would need to clear before I am able to pay.
I will buy the domain and your responsibility will be to create content and undertake the SEO.