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apple usb-c to 3.5 mm headphone jack adapter
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.8%search→purchase rate — share of searches ending in a sale
Returns
Great1.6%return rate — above 5% kills the launch gate
Avg price
Great$15.87avg listing price — sweet spot $15–$100
Price range
Great$8.69–$35.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$327K$327K/yr · 109K searches
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,689.5avg incumbent reviews — the moat a new listing must climb
Growth
Okay+9.8%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand