45
aquarium
Skip itWeak search conversion (0.5%) — this niche doesn't clear our bar today.
Review moat
Incredible32.26avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Brand share
Good63%top-5 brand share — brands hold most of the demand
Avg price
Good$154.10avg listing price — sweet spot $15–$100
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Market size
Okay$191K$191K/yr · 270K searches
Returns
Okay4.9%return rate — above 5% kills the launch gate
Growth
Bad-1.1%90-day search growth — must beat 0% to launch
Price range
Bad$32.57–$479.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale