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haf-cin refrigerator water filter
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.2%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$34.43avg listing price — sweet spot $15–$100
Price range
Incredible$25.33–$56.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.5%return rate — above 5% kills the launch gate
Market size
Good$452K$452K/yr · 72K searches
Growth
Okay+13.6%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad18,263.44avg incumbent reviews — the moat a new listing must climb
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand