$1.25/article 500 words article writer wanted

I need 2 fluent article writers who would be able to undertake 4 articles per day. When I mean fluent I mean fluent. They need to be perfect in their spelling and grammar usage, and should be able to handle a few complex topics (complex topic would be rare but they would exist. Payment would be made after every 10 articles. Payment after the project, will be by paypal. Please bid for 30 articles. Bid between $30-#$37 only. Above $37 would not be accepted. The bid will be paid via GAF, but going further payment would be via paypal. Indian writers are preferred but it's not compulsary. Please include the phrase 'I am responsible', so that I know you have read my instructions. Please bid only if 1) You have at least 3 months experience in content writing 2) Are aware of the importance of delivery quality, plagiarized free articles on time. 3) Can handle 4 articles per day (2000 words/day) 4) Willing to work on a long term basis (I don't want people to work on a short term basis)