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o2センサー ソケット
Worth a lookShows a $3.8M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible¥3.8M¥3.8M/yr · 36K searches
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Review moat
Great119.82avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Brand share
Good66%top-5 brand share — brands hold most of the demand
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Growth
Bad-10.9%90-day search growth — must beat 0% to launch
Avg price
Bad¥1490.24avg listing price — sweet spot $15–$100
Price range
Bad¥545.54–¥4246.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price