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fiio jm21
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great237.29avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Okay£193.77avg listing price — sweet spot $15–$100
Market size
Okay£234K£234K/yr · 80K searches
Price range
Okay£19.99–£315.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Bad5.1%return rate — above 5% kills the launch gate
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-33.0%90-day search growth — must beat 0% to launch
Competition
Bad94%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand