Article Writer Needed

Hi, I am searching a good article writer who can deliver the work on time. I want original articles only. The topic will be on dog nutrition and my keywords to seo will be: healthy dog food, natural dog food and benefits of feeding your dogs a natural diet. You should use all the keywords at least 1 time in the article and the article must be based on facts. I need a good story in every article. You must have good experiance in the pet industry. I Will pay $3 per article at least (400 words) and I will need 10 articles for a start. Thanks