I am expert in scraping, you can see my 0 rating. You may know [login to view URL] workers and projects are migrated to freelancer.com. I don't know why my ratings is not transfered yet. I am in touch of them to do resolve it.
Well I know how to scrap in safe way that, no one can detect you are scraping. As you know that many host implements antiscraping techniques. so that you can't scrap or your scraping get stucked after 2 minutes as they detect you a threat. I can do safe scraping that no technique can detect it , and you can use this for years.