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brita marella water filter cartridges
Skip itA small market ($57K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Conversion
Great9.3%search→purchase rate — share of searches ending in a sale
Avg price
Good£14.84avg listing price — sweet spot $15–$100
Price range
Good£10.82–£24.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Growth
Bad-4.9%90-day search growth — must beat 0% to launch
Competition
Bad75%top-5 click share — a locked-up shelf
Review moat
Bad11,040.71avg incumbent reviews — the moat a new listing must climb
Market size
Bad£57K£57K/yr · 41K searches