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4x137 wheel spacers
Skip itA small market ($82K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible64.9avg incumbent reviews — the moat a new listing must climb
Avg price
Great$78.28avg listing price — sweet spot $15–$100
Conversion
Great7.6%search→purchase rate — share of searches ending in a sale
Brand share
Good62%top-5 brand share — brands hold most of the demand
Price range
Good$31.99–$133.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-1.1%90-day search growth — must beat 0% to launch
Market size
Bad$82K$82K/yr · 14K searches
Returns
Bad6.2%return rate — above 5% kills the launch gate