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shirt collar support
Skip itA small market ($19K/yr) — this niche doesn't clear our bar today.
Returns
Great1.4%return rate — above 5% kills the launch gate
Avg price
Great$17.14avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Price range
Good$6.07–$26.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.9%90-day search growth — must beat 0% to launch
Review moat
Okay1,677.93avg incumbent reviews — the moat a new listing must climb
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Bad75%top-5 click share — a locked-up shelf
Market size
Bad$19K$19K/yr · 21K searches