57
21mm ソケット
Worth a lookShows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Market size
Incredible¥2.0M¥2.0M/yr · 29K searches
Review moat
Good514.72avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.6%search→purchase rate — share of searches ending in a sale
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Brand share
Good75%top-5 brand share — brands hold most of the demand
Growth
Bad-44.1%90-day search growth — must beat 0% to launch
Avg price
Bad¥1065.81avg listing price — sweet spot $15–$100
Price range
Bad¥407.86–¥3128.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price