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16x20x5 air filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Conversion
Great11.6%search→purchase rate — share of searches ending in a sale
Price range
Great$35.29–$100.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$60.69avg listing price — sweet spot $15–$100
Growth
Good+24.8%90-day search growth — must beat 0% to launch
Review moat
Okay2,445.79avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$90K$90K/yr · 13K searches
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price