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marble mouse
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$76.95avg listing price — sweet spot $15–$100
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Price range
Okay$28.74–$185.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.3%return rate — above 5% kills the launch gate
Review moat
Bad4,292.4avg incumbent reviews — the moat a new listing must climb
Competition
Bad74%top-5 click share — a locked-up shelf
Growth
Bad-27.6%90-day search growth — must beat 0% to launch
Market size
Bad$24K$24K/yr · 8K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price