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48

5x4.5 wheel spacers

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High returns (8.1%) — this niche doesn't clear our bar today.

Market size 32Growth 34Conversion 49Competition 66Returns 14Price range 69Avg price 90Brand share 58Review moat 82Quality gap 45

Avg price

Great$58.42

avg listing price — sweet spot $15–$100

Review moat

Great361.05

avg incumbent reviews — the moat a new listing must climb

Price range

Good$16.94–$137.69

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

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.9%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+7.5%

90-day search growth — must beat 0% to launch

Market size

Okay$147K

$147K/yr · 65K searches

Returns

Bad8.1%

return rate — above 5% kills the launch gate

Reviews