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6an fuel filter
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$26.11avg listing price — sweet spot $15–$100
Review moat
Great216.71avg incumbent reviews — the moat a new listing must climb
Price range
Great$9.97–$49.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Returns
Great2.0%return rate — above 5% kills the launch gate
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Okay+2.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$70K$70K/yr · 33K searches
Brand share
Bad95%top-5 brand share — brand-locked demand