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honda 17211-z8b-901 air filter
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible17.9%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Growth
Great+68.0%90-day search growth — must beat 0% to launch
Review moat
Good924.9avg incumbent reviews — the moat a new listing must climb
Price range
Okay$5.77–$23.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$11.67avg listing price — sweet spot $15–$100
Competition
Bad81%top-5 click share — a locked-up shelf
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Market size
Bad$53K$53K/yr · 26K searches
Brand share
Bad98%top-5 brand share — brand-locked demand