- Enter the URL correctly, check it first before ordering. - URL input error, 100% error and responsibility of the buyer himself. - automatic unlock process (1-5 minutes) except system maintenance. - use spaces to separate links. - You can enter it in the notes section if it doesn't fit in the form url section (when ordering). - example of a URL pattern that supports unlocking: * https://www.coursehero.com/file/ * https://www.coursehero.com/tutors-problems/ * https://www.chegg.com/homework-help/ * https://www.scribd.com/document/ * https://www.scribd.com/doc/ * https://www.slideshare.net/ * https://www.studiocu.com/document/ * https://www.academia.edu/ - purchase = have read and accepted the existing terms and conditions.