I'll make it short and sweet. - Find expired domains with www.expireddomains.net - Choose one with a lot of links, low pr (increase chances articles won't be indexed) - Go to www.archive.org and find the saved pages, copy the content. - Use THIS mozzilla addon to make the search easier. It allows you to download the site and check it offline. - Check the uniqueness with www.copyscape.com - Use on web20s or other pbn sites.