44
5/8 spark plug socket
Skip itPrices mostly outside the sweet spot ($6.52–$14.44) — this niche doesn't clear our bar today.
Conversion
Incredible13.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.9%return rate — above 5% kills the launch gate
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Growth
Okay+15.3%90-day search growth — must beat 0% to launch
Market size
Okay$213K$213K/yr · 153K searches
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$10.12avg listing price — sweet spot $15–$100
Review moat
Okay3,490avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Price range
Bad$6.52–$14.44cheapest to priciest tracked listing — scored on the share inside $15–$100