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aquarium sand
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$22.39avg listing price — sweet spot $15–$100
Returns
Great1.1%return rate — above 6% kills the launch gate
Market size
Great$1.4M$1.4M/yr · 890K searches
Price range
Great$9.13–$48.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Review moat
Bad6,348.55avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad80%top-5 click share — a locked-up shelf
Growth
Bad-22.5%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand