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5x5.5 to 5x4.5 wheel adapters
Skip itHigh returns (13.0%) — this niche doesn't clear our bar today.
Review moat
Great132.25avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$90.25avg listing price — sweet spot $15–$100
Price range
Good$41.79–$158.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Growth
Okay+4.2%90-day search growth — must beat 0% to launch
Market size
Bad$46K$46K/yr · 16K searches
Returns
Bad13.0%return rate — above 5% kills the launch gate