Yes, several high-quality video tutorials are available to supplement GMAT self-study, offering visual explanations and strategies to reinforce learning. For instance, GMAT Ninja provides a comprehensive free course with over 45 hours of lessons, covering all GMAT sections including Quantitative, Verbal, and Data Insights. Their structured approach, including playlists like "Crush GMAT Inequalities" and "Ace Critical Reasoning," is particularly beneficial for beginners seeking to build a strong foundation. Additionally, Target Test Prep (TTP) offers an OnDemand course featuring over 400 hours of master-class video lessons, designed to guide students towards a 99th percentile score. These resources are effective in reinforcing concepts, providing diverse problem-solving techniques, and enhancing time management skills. Incorporating video tutorials into your study plan can offer varied learning perspectives, making complex topics more accessible and aiding in the retention of critical information. However, it's essential to maintain a balance between video learning and practice with official GMAT materials to ensure comprehensive preparation.