Time saving tips for teaching online include: 1. Complete key documents like the welcome letter and syllabus before class begins to introduce students to expectations. 2. Automate repetitive elements like modules, discussions, assignments, and announcements to reduce workload. 3. Organize dedicated discussion boards for questions, assignments, and teaching assistants to efficiently address student needs. 4. Use tools like the chat function and targeted announcements to engage students and reduce redundant questions.