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brita faucet replacement filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible12.6%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$25.40avg listing price — sweet spot $15–$100
Price range
Incredible$15.28–$37.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$176K$176K/yr · 55K searches
Review moat
Bad5,571.55avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.7%90-day search growth — must beat 0% to launch
Competition
Bad78%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand