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obd adapter
Skip itA concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.
Avg price
Great€60.04avg listing price — sweet spot $15–$100
Price range
Good€21.48–€135.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Market size
Okay€247K€247K/yr · 73K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-2.9%90-day search growth — must beat 0% to launch
Returns
Bad5.2%return rate — above 5% kills the launch gate
Review moat
Bad6,819.67avg incumbent reviews — the moat a new listing must climb
Brand share
Bad92%top-5 brand share — brand-locked demand
Competition
Bad89%top-5 click share — a locked-up shelf