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shark air purifier
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Good£102.18avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Returns
Okay3.0%return rate — above 5% kills the launch gate
Price range
Okay£68.63–£151.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£141K£141K/yr · 150K searches
Review moat
Bad4,070.67avg incumbent reviews — the moat a new listing must climb
Growth
Bad-23.8%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Competition
Bad98%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price