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quooker water filter cartridge
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Price range
Incredible£20.09–£77.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great£47.19avg listing price — sweet spot $15–$100
Review moat
Great173.43avg incumbent reviews — the moat a new listing must climb
Growth
Okay+15.8%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Market size
Bad£33K£33K/yr · 31K searches
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier