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aquarium bacteria
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.8%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Market size
Great$1.2M$1.2M/yr · 449K searches
Avg price
Great$16.93avg listing price — sweet spot $15–$100
Price range
Good$3.89–$38.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Bad4,609.71avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.5%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad79%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand