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Harry Potter Costume Accessories
Skip itA small market ($20K/yr) — this niche doesn't clear our bar today.
Avg price
Great$18.06avg listing price — sweet spot $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Price range
Good$5.22–$38.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Review moat
Good1,377.41avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Returns
Bad5.2%return rate — above 5% kills the launch gate
Growth
Bad-27.9%90-day search growth — must beat 0% to launch
Market size
Bad$20K$20K/yr · 42K searches
Signals High Returns