Batch of 20 Articles to be Written

I need to hire an SEO Article Writer to work for me on a project. Based on the success there may be more work in the future at a higher rate (depends on the quality) I want you to write first 20 articles for me to prove your writing skills. I will provide the article title and keywords. Article 1. Grammar - articles shouldn't contain grammatical or spelling mistakes 2. Original content only - Any copyscape pro fail will result in NO pay and you will have to re-write. 3. Bid for 20 articles 4. Articles should be at least 550 words in length, and have keywords/phrases that pertain to the assigned keyword(s) and should be written naturally 6. £3 per article = 4.5$ 7. Articles should be in perfect sounding English and pass spelling and grammar checks in MS Word 8. Articles will belong to me and you cannot post them anywhere else or sell them to anyone else 9. Articles must be compatible for SEO 10. Writing will be aimed at UK market, you may need to research thoroughly. Please send me example of your work Service Provider agrees to keep the nature of his / her writing assignments private. No Partial payments for partial work. If you do a good job, we have much more work for you in the future.