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espring water filter
Skip itPrices mostly outside the sweet spot ($71.75–$1177.11) — this niche doesn't clear our bar today.
Review moat
Incredible37.77avg incumbent reviews — the moat a new listing must climb
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Market size
Good$391K$391K/yr · 28K searches
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Avg price
Okay$332.36avg listing price — sweet spot $15–$100
Growth
Bad-2.5%90-day search growth — must beat 0% to launch
Returns
Bad5.5%return rate — above 5% kills the launch gate
Competition
Bad75%top-5 click share — a locked-up shelf
Price range
Bad$71.75–$1177.11cheapest to priciest tracked listing — scored on the share inside $15–$100