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ammonia remover fish tank
Skip itSoft demand (-14.9% this quarter) — this niche doesn't clear our bar today.
Conversion
Incredible16.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Price range
Good$3.05–$44.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$13.20avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay$117K$117K/yr · 54K searches
Brand share
Bad90%top-5 brand share — brand-locked demand
Review moat
Bad5,595.57avg incumbent reviews — the moat a new listing must climb
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-14.9%90-day search growth — must beat 0% to launch