45
14mm spark plug socket
Skip itStrong incumbent ratings (4.6★) — this niche doesn't clear our bar today.
Conversion
Great10.5%search→purchase rate — share of searches ending in a sale
Review moat
Good1,241.73avg incumbent reviews — the moat a new listing must climb
Returns
Good3.0%return rate — above 5% kills the launch gate
Brand share
Good75%top-5 brand share — brands hold most of the demand
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Market size
Okay$176K$176K/yr · 167K searches
Avg price
Okay$10.05avg listing price — sweet spot $15–$100
Growth
Okay+5.6%90-day search growth — must beat 0% to launch
Price range
Okay$5.26–$19.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality