35
portable smoke detector
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$30.57avg listing price — sweet spot $15–$100
Price range
Incredible$16.54–$47.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Conversion
Good4.1%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Okay+0.8%90-day search growth — must beat 0% to launch
Review moat
Bad4,556.71avg incumbent reviews — the moat a new listing must climb
Competition
Bad75%top-5 click share — a locked-up shelf
Market size
Bad$56K$56K/yr · 45K searches
Brand share
Bad100%top-5 brand share — brand-locked demand