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world book day costumes for boys
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Review moat
Good571.67avg incumbent reviews — the moat a new listing must climb
Returns
Good2.2%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good£12.14avg listing price — sweet spot $15–$100
Price range
Okay£5.98–£20.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad71%top-5 click share — a locked-up shelf
Brand share
Bad92%top-5 brand share — brand-locked demand
Market size
Bad£0£0/yr · 1.5M searches
Growth
Bad-99.8%90-day search growth — must beat 0% to launch
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Signals Low Review Barrier