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Neurofeedback Devices
Skip itA concentrated shelf (top 5 take 87% of clicks) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Good$149.82avg listing price — sweet spot $15–$100
Market size
Good$304K$304K/yr · 66K searches
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Returns
Bad5.0%return rate — above 5% kills the launch gate
Review moat
Bad8,716.1avg incumbent reviews — the moat a new listing must climb
Price range
Bad$7.99–$460.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad93%top-5 brand share — brand-locked demand
Growth
Bad-24.8%90-day search growth — must beat 0% to launch
Competition
Bad87%top-5 click share — a locked-up shelf