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saltwater aquarium
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Avg price
Incredible$34.58avg listing price — sweet spot $15–$100
Price range
Great$8.94–$75.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.7%search→purchase rate — share of searches ending in a sale
Market size
Good$739K$739K/yr · 246K searches
Growth
Okay+1.5%90-day search growth — must beat 0% to launch
Review moat
Bad5,514.25avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad78%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand