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aquarium filter sponge
Skip itSoft demand (-6.1% this quarter) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 6% kills the launch gate
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,535.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$4.24–$21.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Market size
Okay$116K$116K/yr · 195K searches
Brand share
Okay90%top-5 brand share — brands hold most of the demand
Avg price
Bad$8.55avg listing price — sweet spot $15–$100
Growth
Bad-6.1%90-day search growth — must beat 0% to launch