Native English Article Writer

Need 5 Articles written on various topics. Articles must be 500-550 words long and would be 100% original and well researched. I need native US or UK writers who can deliver in time and who can write in different styles for ezine, blogs etc. Please show me your previous samples and bid for 5 articles. If I like the work there will be several repeat projects. Looking around the range of 3$ to 4$ per article or 15$ to 20$ for this job at the max. The lower your rate and the higher the quality, the higher the chance of repeat projects.