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o2 sensor plug
Skip itPrices mostly outside the sweet spot ($4.08–$14.03) — this niche doesn't clear our bar today.
Conversion
Incredible13.2%search→purchase rate — share of searches ending in a sale
Review moat
Great150.78avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 5% kills the launch gate
Brand share
Good71%top-5 brand share — brands hold most of the demand
Growth
Good+23.0%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Okay$9.20avg listing price — sweet spot $15–$100
Competition
Bad71%top-5 click share — a locked-up shelf
Market size
Bad$36K$36K/yr · 30K searches
Price range
Bad$4.08–$14.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals Low Review Barrier