SEO writer and analyser required

I need some professionals to write me some SEO articles. Looking for at least for 4 month and if works well I need long term on going... Tropics- Software solution, VR, AR, Mining solution etc. detail i will provide over message board. My budget is per 500 words for $1 and for 250 word is $0.5. Payment will be milestone and after receive as needed modified by the writer and then i will release end of each week. For first i need 10 - 500 words and 20 short articles for 200-250 word. Please only bid if this condition is ok with you unless do not waste your time as well as mine by bid more then my budget. Must be a technical writer as the site we are going to SEO is a software company... detail i will over message baord.