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8x210 dually wheel spacers
Skip itA small market ($37K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible97.2avg incumbent reviews — the moat a new listing must climb
Avg price
Good$128.11avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Bad-6.0%90-day search growth — must beat 0% to launch
Returns
Bad6.5%return rate — above 5% kills the launch gate
Price range
Bad$52.55–$369.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$37K$37K/yr · 10K searches