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mobility stick
Skip itA concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Review moat
Great178.27avg incumbent reviews — the moat a new listing must climb
Avg price
Great$91.26avg listing price — sweet spot $15–$100
Returns
Good2.0%return rate — above 6% kills the launch gate
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Growth
Good+38.8%90-day search growth — must beat 0% to launch
Market size
Okay$255K$255K/yr · 88K searches
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Price range
Okay$19.51–$275.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad93%top-5 brand share — brand-locked demand
Competition
Bad79%top-5 click share — a locked-up shelf