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Mad Scientist Costume
Skip itHigh returns (8.0%) — this niche doesn't clear our bar today.
Avg price
Incredible$24.69avg listing price — sweet spot $15–$100
Price range
Great$5.98–$95.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Okay2,143.42avg incumbent reviews — the moat a new listing must climb
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Growth
Okay+4.3%90-day search growth — must beat 0% to launch
Market size
Bad$99K$99K/yr · 217K searches
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Returns
Bad8.0%return rate — above 5% kills the launch gate
Signals High Returns