Anybody Please Help Me in Content Creation - URGENT

Hello, I need a good assistant to help me in my article writing service. The requirements are - * Good command in English. * Must produce error-free (grammatical, typographic, syntax) articles. * Articles should be unique. * No plagiarism from any source (online/ off-line). Must pass 'Copyscape'. * Can work on tight schedule. * Always meets the deadline. * Can write upon variety of subjects. Subjects may vary from nano-technology to Mars Pathfinder, from recipe article to petroleum products,from calorie shifting diet to colon cleansing techniques. * Should have PayPal account. * Can produce 4-5 good quality 500+ words articles a day. I don't like people who doesn't meet deadline, so if you are busy with other works and can't meet the deadline set by me, please don't bid. * Payments will vary depending upon the projects. Initially I am planning to pay US$ 2.0 per 500 words article. * Payments will be done promptly as the articles are cleared by client. In most cases, it is 1-2 days after you submit the articles. I maintain a good rep here, so you can be sure that you will be paid as per your work. * Payments will be either GAF or PayPal as per your choice. * Samples are required from at least two different niches. Also please mention the subject you feel most comfortable. * Please mention your quote in terms of per word. * Suitable candidates will enjoy a long-term relationship. * Please don't bid if you can't write good English, will vanish after I award you the project.