What is the easiest way to get 3 stars on Mario kart wii?

To achieve 3 stars in Mario Kart Wii, you need to focus on consistently finishing in first place across all races in a cup. Aim for a high overall score by minimizing mistakes, using items strategically, and maintaining good racing lines. Additionally, try to avoid falling off the track and getting hit by items, as these can significantly hinder your performance. Practicing the tracks and mastering drift mechanics can also help improve your chances of earning that coveted 3-star ranking.