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Roller Skate Bearings
Skip itBrand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$38.25avg listing price — sweet spot $15–$100
Returns
Great1.1%return rate — above 5% kills the launch gate
Price range
Great$7.27–$111.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$560K$560K/yr · 275K searches
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,026.42avg incumbent reviews — the moat a new listing must climb
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Growth
Okay+2.6%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad99%top-5 brand share — brand-locked demand