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18tb external hard drive
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Great$1.8M$1.8M/yr · 385K searches
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Returns
Okay3.1%return rate — above 5% kills the launch gate
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Growth
Bad-20.4%90-day search growth — must beat 0% to launch
Review moat
Bad24,167.82avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Avg price
Bad$445.72avg listing price — sweet spot $15–$100
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$168.16–$647.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price