46
glass water filter jug
Skip itBrand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible£32.71avg listing price — sweet spot $15–$100
Price range
Incredible£16.83–£79.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.5%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Market size
Okay£122K£122K/yr · 151K searches
Review moat
Bad4,601avg incumbent reviews — the moat a new listing must climb
Growth
Bad-2.0%90-day search growth — must beat 0% to launch
Brand share
Bad94%top-5 brand share — brand-locked demand