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King Costume
Skip itHigh returns (11.1%) — this niche doesn't clear our bar today.
Avg price
Incredible$26.46avg listing price — sweet spot $15–$100
Review moat
Great215avg incumbent reviews — the moat a new listing must climb
Price range
Great$11.90–$46.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Market size
Okay$138K$138K/yr · 391K searches
Growth
Bad-8.3%90-day search growth — must beat 0% to launch
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Returns
Bad11.1%return rate — above 5% kills the launch gate
Signals High Returns