Think of of a cashflow positive website idea

Think of, and outline, a website idea that can be built using vworker projects for a total cost between $50 and $20,000. Winning bidder will receive $25 plus all income the site produces for the first six months. The website cannot require a staff or scheduled administrative labor beyond basic software updates (such as updating a publicly available CMS, etc). When evaluating ideas, a couple of my concerns are: 1. Risk/reward ratio- Sites with active users, updating content, and coded modules/functionality have the highest potential earnings, but usually cost more as well. 2. Transparency of income during the first six months- If your idea involves a non-standard source, make sure we both have a way to see/understand the income. 3. Durability of income. Advantages to winning bidder: -Guaranteed $25 -No money at risk -No time-risk after project starts (if the project is half finished and discovered likely to fail, you are under no obligation to help discuss/do anything) Disadvantages to winning bidder: -If the site is successful, you will have no ownership or income rights after the first 6 months. -While I will seek feedback during site development, decision making is up to me. I will pay for server, domain name, coding costs, and small marketing budget if it's disclosed/planned before the project begins. All other costs come out of the income which winning bidder will receive.