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headphone jack
Skip itA deep review moat (30,032 avg reviews) — this niche doesn't clear our bar today.
Conversion
Great8.8%search→purchase rate — share of searches ending in a sale
Returns
Good2.1%return rate — above 5% kills the launch gate
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Okay+4.2%90-day search growth — must beat 0% to launch
Avg price
Bad$7.74avg listing price — sweet spot $15–$100
Market size
Bad$62K$62K/yr · 91K searches
Price range
Bad$4.43–$16.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad83%top-5 click share — a locked-up shelf
Review moat
Bad30,031.55avg incumbent reviews — the moat a new listing must climb