Domain Researcher

Hi,
I need a smart person, who believe can work as a domain researcher.
His/her responsibilities will be to find available domains in particular category.
I'll provide the categories and number of available domains to find to this smart guy/girl and he/she email me domain names available.
Person should be aware of google keyword search tool as well.
I would prefer somebody with SEO expertise and should be creative.
I'll pay $50 for every 100 domains.
Input: I'll provide you the categories/niche
Expected output:
I would like to receive a spreadsheet with available domains categorized. You can check availability of domains on different tools available on internet.
By default output should be .COM domains, unless specified.
Thank you and happy bidding
Sarvo