Analyze {{niche_cluster}} for sub-niches with low competition/high pain.
Provide: 10 sub-niches, TAM/SAM/SOM estimates, willingness-to-pay signals, top keywords, and X/TikTok/YouTube content angles.
Recommend one wedge to enter first.
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Author: Tsubasa Kato
Model: gpt-5-thinking
Category: research
Tags: niche-analysis, TAM, SAM, SOM, blue-ocean, X, TikTok, YouTube
