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brita water filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Good2.7%return rate — above 5% kills the launch gate
Avg price
Good$154.41avg listing price — sweet spot $15–$100
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$105K$105K/yr · 18K searches
Growth
Bad-4.6%90-day search growth — must beat 0% to launch
Review moat
Bad9,815.81avg incumbent reviews — the moat a new listing must climb
Price range
Bad$77.27–$291.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price