Avoid using misleading or irrelevant thumbnails and titles, as this can lead to viewer dissatisfaction and reduced trust. Don't overload your title with excessive keywords; instead, prioritize clarity and authenticity. Additionally, ensure that your thumbnail accurately represents the video's content to maintain viewer expectations. YouTube video thumbnails and titles serve as your video's virtual storefront, enticing viewers to click and watch. By creating eye-catching thumbnails, crafting informative titles, and maintaining consistency with your video content, you can enhance your video's discoverability, engagement, and overall success on the platform.