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Marine Toilet
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Review moat
Great209.86avg incumbent reviews — the moat a new listing must climb
Growth
Great+72.6%90-day search growth — must beat 0% to launch
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Returns
Good2.9%return rate — above 5% kills the launch gate
Market size
Okay$116K$116K/yr · 26K searches
Avg price
Bad$349.54avg listing price — sweet spot $15–$100
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Brand share
Bad98%top-5 brand share — brand-locked demand
Price range
Bad$48.73–$1076.08cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price