Articles needed

I need 30-40 articles based on some keywords provided by me. Conditions: - perfect english, grammar , morphology - original, must pass copyscape - not less than 400 words - must have perfect sense - native english speakers preferred , if not, sample required. If accepted the sample will be also paid. I can pay maximum 1.2 $ per article and I will pay only after I can check articles with copyscape. Please bid only if you want the job and you are agree with the conditions because they are not subject of negotiations. Type "read it" to prove that you have read all the conditions of the project. Thanks.