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small aquarium heater
Skip itSoft demand (-28.5% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$17.29avg listing price — sweet spot $15–$100
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Price range
Great$6.67–$45.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Good$612K$612K/yr · 436K searches
Returns
Okay3.1%return rate — above 6% kills the launch gate
Review moat
Okay1,694.06avg incumbent reviews — the moat a new listing must climb
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Brand share
Bad91%top-5 brand share — brand-locked demand
Growth
Bad-28.5%90-day search growth — must beat 0% to launch