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hermit crab water
Skip itA concentrated shelf (top 5 take 86% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Conversion
Great11.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,171.2avg incumbent reviews — the moat a new listing must climb
Growth
Okay+19.6%90-day search growth — must beat 0% to launch
Avg price
Good$12.05avg listing price — sweet spot $15–$100
Price range
Okay$4.55–$21.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$123K$123K/yr · 93K searches
Brand share
Bad90%top-5 brand share — brand-locked demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad86%top-5 click share — a locked-up shelf