Article writers needed-3

I need some excellent experienced article writers. Requirement 1. Articles should be original, copy-scape pass. 2. Free from Grammar and Spelling mistakes. 3. Content should be good and relevant to key words. 4. Should be able to write minimum 4000 words per day. 5. Payment is guaranteed. Payment through moneybooker. I will pay 0.8-1 $ for 500 words. If you have proven yourself and your work it may lead to long term work. Bid only 30$........Not more than. Only Experienced writers preferred. Dont bid if you are not agreed on the terms. Thanks