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20x30x2 air filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$78.36avg listing price — sweet spot $15–$100
Growth
Good+24.5%90-day search growth — must beat 0% to launch
Price range
Good$44.40–$150.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$221K$221K/yr · 29K searches
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad10,605.64avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price