A script to scrape articles and post to a website

We need about 50000 articles to be scraped and to repost these articles to our website. Scraped data should be added to our mysql database; Prevent from posting duplicated articles; See detailed project description in the attached file. Due to limited budget I'm ready to pay up to $50 for this project. (if you cope with this task, we'll hire you to make the same with 5 websites more). This project is an excellent opportunity for a freelancer to get a 5-star review. The bid with lower amount will be preferred. You must have experience with writing scripts to scrape websites.