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Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Review moat
Great165.4avg incumbent reviews — the moat a new listing must climb
Market size
Great¥1.5M¥1.5M/yr · 9K searches
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Growth
Okay+1.3%90-day search growth — must beat 0% to launch
Conversion
Okay2.0%search→purchase rate — share of searches ending in a sale
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Avg price
Bad¥8275.20avg listing price — sweet spot $15–$100
Price range
Bad¥407.01–¥27100.89cheapest to priciest tracked listing — scored on the share inside $15–$100