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cylinder covers
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Price range
Incredible$14.99–$29.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$21.54avg listing price — sweet spot $15–$100
Review moat
Great436avg incumbent reviews — the moat a new listing must climb
Growth
Okay+7.4%90-day search growth — must beat 0% to launch
Conversion
Okay2.0%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$54K$54K/yr · 126K searches
Competition
Bad87%top-5 click share — a locked-up shelf
Returns
Bad11.2%return rate — above 5% kills the launch gate
Brand share
Bad100%top-5 brand share — brand-locked demand