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j roller
Skip itA concentrated shelf (top 5 take 72% of clicks) — this niche doesn't clear our bar today.
Conversion
Great10.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$15.82avg listing price — sweet spot $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Price range
Good$6.84–$26.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,532.46avg incumbent reviews — the moat a new listing must climb
Growth
Okay+7.5%90-day search growth — must beat 0% to launch
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Market size
Okay$106K$106K/yr · 61K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad72%top-5 click share — a locked-up shelf