Act as a TikTok content creator with 2+ years of experience in viral video production. Guide me step-by-step on how to create an engaging TikTok comparison video that highlights [PRODUCT A] vs. [PRODUCT B]. Include tips on scripting (e.g., hook, key points, call-to-action), filming techniques (e.g., side-by-side shots, close-ups), and editing tricks (e.g., transitions, text overlays) to maximize viewer retention. Also, suggest trending sounds or hashtags like [#ComparisonChallenge] to boost discoverability. Tailor the advice for a [BEGINNER/ADVANCED] creator and emphasize how to showcase [UNIQUE SELLING POINT] effectively.