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co2 cartridge
Skip itA concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Great£16.59avg listing price — sweet spot $15–$100
Conversion
Great7.6%search→purchase rate — share of searches ending in a sale
Price range
Good£8.40–£33.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+15.0%90-day search growth — must beat 0% to launch
Review moat
Okay2,306.36avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay£181K£181K/yr · 143K searches
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Competition
Bad79%top-5 click share — a locked-up shelf