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16x22x1 air filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great$52.53avg listing price — sweet spot $15–$100
Conversion
Great9.1%search→purchase rate — share of searches ending in a sale
Price range
Great$31.91–$111.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+48.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$70K$70K/yr · 15K searches
Review moat
Bad27,623.6avg incumbent reviews — the moat a new listing must climb
Competition
Bad88%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price