54
carbon monoxide detectors/smoke alarm
Worth a lookShows a $1.6M/yr market, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size
Great$1.6M$1.6M/yr · 382K searches
Avg price
Great$74.86avg listing price — sweet spot $15–$100
Competition
Great40%top-5 click share — an open shelf
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Review moat
Good1,248.3avg incumbent reviews — the moat a new listing must climb
Returns
Good2.8%return rate — above 5% kills the launch gate
Price range
Okay$16.54–$245.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-22.1%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price