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gravity water filter
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Great£83.11avg listing price — sweet spot $15–$100
Review moat
Good965.57avg incumbent reviews — the moat a new listing must climb
Price range
Good£20.95–£172.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Market size
Okay£123K£123K/yr · 59K searches
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-25.8%90-day search growth — must beat 0% to launch
Brand share
Bad98%top-5 brand share — brand-locked demand
Signals High Price