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vertical mouse
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good$156.71avg listing price — sweet spot $15–$100
Returns
Okay3.8%return rate — above 5% kills the launch gate
Review moat
Bad4,384.47avg incumbent reviews — the moat a new listing must climb
Competition
Bad72%top-5 click share — a locked-up shelf
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Growth
Bad-11.1%90-day search growth — must beat 0% to launch
Market size
Bad$61K$61K/yr · 23K searches
Price range
Bad$40.84–$505.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad97%top-5 brand share — brand-locked demand
Signals High Price