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yacooda 電動ドライバー
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Review moat
Great128.2avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good¥312K¥312K/yr · 23K searches
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Growth
Bad-18.6%90-day search growth — must beat 0% to launch
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
Brand share
Bad100%top-5 brand share — brand-locked demand
Avg price
Bad¥5691.17avg listing price — sweet spot $15–$100
Price range
Bad¥2680.92–¥13610.53cheapest to priciest tracked listing — scored on the share inside $15–$100