46
demineralization cartridge for humidifier
Skip itSoft demand (-68.3% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$47.08avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Good$11.64–$128.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$530K$530K/yr · 325K searches
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Review moat
Okay3,413.08avg incumbent reviews — the moat a new listing must climb
Returns
Okay4.5%return rate — above 5% kills the launch gate
Brand share
Bad91%top-5 brand share — brand-locked demand
Growth
Bad-68.3%90-day search growth — must beat 0% to launch