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mains smoke alarm
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great£21.79avg listing price — sweet spot $15–$100
Price range
Great£12.74–£47.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good737.86avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Market size
Bad£81K£81K/yr · 102K searches
Growth
Bad-17.0%90-day search growth — must beat 0% to launch
Competition
Bad95%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand