The 7 mistakes: (1) Passive watching without pausing to recall. (2) Not applying within 24 hours. (3) Multiple courses simultaneously. (4) Treating the certificate as the goal. (5) Studying in the evening when cognitive resources are lowest. (6) Skipping the hard parts that are hard because they’re critical. (7) No plan for after the course. Fix all seven and your completion and retention will be unrecognizable compared to your previous attempts.