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140mm fan

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 7Growth 30Conversion 36Competition 27Returns 49Price range 56Avg price 83Brand share 0Review moat 25Quality gap 19

Avg price

Great£18.07

avg listing price — sweet spot $15–$100

Price range

Good£4.74–£27.98

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Okay3.0%

return rate — above 5% kills the launch gate

Conversion

Okay2.9%

search→purchase rate — share of searches ending in a sale

Growth

Okay+3.9%

90-day search growth — must beat 0% to launch

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay3,970.62

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad£30K

£30K/yr · 57K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand