35
hydrogen sulfide detector
Skip itSoft demand (-27.1% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$83.90avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Review moat
Good1,232.25avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.7%return rate — above 5% kills the launch gate
Price range
Okay$17.84–$267.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad70%top-5 click share — a locked-up shelf
Brand share
Bad92%top-5 brand share — brand-locked demand
Market size
Bad$57K$57K/yr · 13K searches
Growth
Bad-27.1%90-day search growth — must beat 0% to launch
Signals High Price