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mini aquarium heater
Skip itSoft demand (-31.1% this quarter) — this niche doesn't clear our bar today.
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Good$13.45avg listing price — sweet spot $15–$100
Review moat
Good1,218.43avg incumbent reviews — the moat a new listing must climb
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Returns
Okay3.2%return rate — above 6% kills the launch gate
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Price range
Okay$6.67–$19.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$99K$99K/yr · 89K searches
Growth
Bad-31.1%90-day search growth — must beat 0% to launch