21
8 inch carbon filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Good$138.47avg listing price — sweet spot $15–$100
Returns
Okay3.8%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay3,560avg incumbent reviews — the moat a new listing must climb
Price range
Okay$26.50–$294.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad2.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-20.5%90-day search growth — must beat 0% to launch
Competition
Bad82%top-5 click share — a locked-up shelf
Market size
Bad$24K$24K/yr · 9K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price