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20x36x1 air filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Price range
Incredible$34.73–$91.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great11.4%search→purchase rate — share of searches ending in a sale
Avg price
Great$64.46avg listing price — sweet spot $15–$100
Growth
Good+26.6%90-day search growth — must beat 0% to launch
Market size
Good$279K$279K/yr · 38K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad16,063.11avg incumbent reviews — the moat a new listing must climb
Competition
Bad89%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price