45
21mm socket
Skip itPrices mostly outside the sweet spot ($4.88–$14.44) — this niche doesn't clear our bar today.
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Returns
Great1.8%return rate — above 5% kills the launch gate
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Growth
Okay+15.4%90-day search growth — must beat 0% to launch
Review moat
Okay2,121.21avg incumbent reviews — the moat a new listing must climb
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Market size
Okay$139K$139K/yr · 123K searches
Avg price
Bad$8.75avg listing price — sweet spot $15–$100
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Price range
Bad$4.88–$14.44cheapest to priciest tracked listing — scored on the share inside $15–$100