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whirlpool air filter replacement
Skip itA concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Conversion
Incredible13.7%search→purchase rate — share of searches ending in a sale
Avg price
Good$12.11avg listing price — sweet spot $15–$100
Growth
Okay+4.2%90-day search growth — must beat 0% to launch
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Review moat
Okay3,872.3avg incumbent reviews — the moat a new listing must climb
Price range
Okay$6.44–$17.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$91K$91K/yr · 55K searches
Competition
Bad84%top-5 click share — a locked-up shelf
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality