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caliburn g3
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Incredible13.88avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Conversion
Great8.7%search→purchase rate — share of searches ending in a sale
Avg price
Good£14.38avg listing price — sweet spot $15–$100
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Growth
Bad-6.8%90-day search growth — must beat 0% to launch
Price range
Bad£7.46–£16.49cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad£51K£51K/yr · 41K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier