45
co2 fire extinguisher
Skip itA concentrated shelf (top 5 take 80% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Incredible£25.69avg listing price — sweet spot $15–$100
Review moat
Great401.42avg incumbent reviews — the moat a new listing must climb
Conversion
Great7.3%search→purchase rate — share of searches ending in a sale
Price range
Good£2.65–£40.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Market size
Okay£111K£111K/yr · 59K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-10.8%90-day search growth — must beat 0% to launch
Competition
Bad80%top-5 click share — a locked-up shelf
Signals Low Review Barrier