How much can be posted before you decide we have a Rule 11 violation (Copyright) With none, just a link, many, most? won't follow the link to read the material A paragraph or two can make a point and get people to read the linked article. How much is too much? https://www.northwestfirearms.com/rules/ 11. Copying and pasting copyrighted material is prohibited. The best example of this are news articles belonging to other websites. If you would like to discuss a particular article, simply include a link to it.