This document provides tips for designing online courses to avoid unintended consequences. It recommends establishing an instructor presence through contact details. The course design should have a clear homepage, syllabus, content, assignments, tests, and communication tools. Discussions and assignments need clear formats and due dates to prevent issues. Tests should be frequent, timed, and protected from copying. Group work requires guidelines to avoid free-riding. Chats, calendars and documentation provide structure. Rubrics and dual grading tracks offer flexibility. Links, dates and instructions must be checked for accuracy. Gathering student feedback on the course design helps improve quality.