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iron filter for well water
Skip itPrices mostly outside the sweet spot ($33.80–$1949.90) — this niche doesn't clear our bar today.
Review moat
Great472.79avg incumbent reviews — the moat a new listing must climb
Returns
Good2.3%return rate — above 5% kills the launch gate
Market size
Good$573K$573K/yr · 132K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Growth
Okay+2.1%90-day search growth — must beat 0% to launch
Brand share
Bad90%top-5 brand share — brand-locked demand
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Avg price
Bad$456.07avg listing price — sweet spot $15–$100
Price range
Bad$33.80–$1949.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price