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co2 anlage aquarium
Skip itSoft demand (-43.1% this quarter) — this niche doesn't clear our bar today.
Avg price
Great€71.58avg listing price — sweet spot $15–$100
Returns
Great1.6%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Great421.31avg incumbent reviews — the moat a new listing must climb
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Market size
Okay€226K€226K/yr · 205K searches
Price range
Okay€5.20–€262.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-43.1%90-day search growth — must beat 0% to launch
Signals High Price