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xiaomi air purifier filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great474avg incumbent reviews — the moat a new listing must climb
Avg price
Good$121.31avg listing price — sweet spot $15–$100
Returns
Okay3.1%return rate — above 5% kills the launch gate
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+9.3%90-day search growth — must beat 0% to launch
Price range
Bad$72.04–$197.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$52K$52K/yr · 11K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price