Skip to content
44

j roller

Skip it

A concentrated shelf (top 5 take 72% of clicks) — this niche doesn't clear our bar today.

Market size 26Growth 34Conversion 91Competition 23Returns 76Price range 58Avg price 77Brand share 32Review moat 40Quality gap 24

Conversion

Great10.9%

search→purchase rate — share of searches ending in a sale

Avg price

Great$15.82

avg listing price — sweet spot $15–$100

Returns

Great1.9%

return rate — above 5% kills the launch gate

Price range

Good$6.84–$26.07

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay2,532.46

avg 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

Products