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aquarium salt for saltwater tank
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Avg price
Incredible$35.60avg listing price — sweet spot $15–$100
Price range
Great$4.08–$75.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.8%search→purchase rate — share of searches ending in a sale
Market size
Okay$150K$150K/yr · 55K searches
Review moat
Bad5,990.91avg incumbent reviews — the moat a new listing must climb
Competition
Bad74%top-5 click share — a locked-up shelf
Growth
Bad-10.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad98%top-5 brand share — brand-locked demand