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ykkap カードキー
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Incredible¥20.0M¥20.0M/yr · 54K searches
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Review moat
Incredible92.38avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-15.5%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
Avg price
Bad¥5698.14avg listing price — sweet spot $15–$100
Price range
Bad¥1670.94–¥20692.96cheapest to priciest tracked listing — scored on the share inside $15–$100