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live rock for saltwater aquariums
Skip itWeak search conversion (0.8%) — this niche doesn't clear our bar today.
Returns
Great1.3%return rate — above 6% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$84.40avg listing price — sweet spot $15–$100
Review moat
Good613.33avg incumbent reviews — the moat a new listing must climb
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Price range
Okay$17.41–$272.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$101K$101K/yr · 153K searches
Growth
Bad-16.0%90-day search growth — must beat 0% to launch
Brand share
Bad95%top-5 brand share — brand-locked demand
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale