49
ポリポット 6cm
Skip itPrices mostly outside the sweet spot ($150.30–$992.79) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Review moat
Incredible67.55avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Market size
Okay¥136K¥136K/yr · 7K searches
Growth
Bad-9.6%90-day search growth — must beat 0% to launch
Avg price
Bad¥422.62avg listing price — sweet spot $15–$100
Price range
Bad¥150.30–¥992.79cheapest to priciest tracked listing — scored on the share inside $15–$100