Developed an interactive dashboard with 12 insightful plots, charts, and dashboards to analyze key trends within a car sales dataset containing over 100,000 records. Achieved 100% data accuracy by eliminating missing and invalid data through custom wrangling and transformations in Tableau Prep Builder. Integrated advanced filters and interactions, enabling a 50% faster identification of key sales patterns and performance metrics such as high-profit models and underperforming regions.