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sonoff zigbee 3.0 usb dongle plus
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible€33.53avg listing price — sweet spot $15–$100
Price range
Incredible€17.49–€60.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Returns
Good2.8%return rate — above 5% kills the launch gate
Market size
Good€369K€369K/yr · 134K searches
Review moat
Good1,401.25avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-19.9%90-day search growth — must beat 0% to launch
Competition
Bad92%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand