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aquarium filter
Skip itWeak search conversion (1.8%) — this niche doesn't clear our bar today.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Review moat
Great135.2avg incumbent reviews — the moat a new listing must climb
Avg price
Great$62.35avg listing price — sweet spot $15–$100
Brand share
Good72%top-5 brand share — brands hold most of the demand
Price range
Good$20.03–$166.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.9%return rate — above 5% kills the launch gate
Growth
Okay+11.4%90-day search growth — must beat 0% to launch
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Market size
Okay$127K$127K/yr · 114K searches
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale