Need an article writer ( we will create 100% milestone)

We need a writer who can write article on technology like Android, Computer, Google, Yahoo etc. maximum Keywords will be 'How to.......' Each article length will be 500 words. We will pay $2usd for every 500 words. Total I need 30-40 articles. Our Requirements: 1. 100% Unique & SEO Friendly 2. 100% Grammatical Error Free 3. You will post article in My Website 4. You will post 1-2 Copy right free images ( You can take image from Canva) So 40 articles= 80usd. Thanks