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spin down sediment filters for well water
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size
Good$809K$809K/yr · 156K searches
Review moat
Good862.13avg incumbent reviews — the moat a new listing must climb
Returns
Good3.0%return rate — above 5% kills the launch gate
Avg price
Okay$194.56avg listing price — sweet spot $15–$100
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Growth
Okay+8.0%90-day search growth — must beat 0% to launch
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Bad$29.53–$586.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad95%top-5 brand share — brand-locked demand
Signals High Price