42
philips sonicare 4100
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible£44.90avg listing price — sweet spot $15–$100
Price range
Incredible£35.94–£52.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.9%search→purchase rate — share of searches ending in a sale
Growth
Okay+6.5%90-day search growth — must beat 0% to launch
Review moat
Bad7,593.54avg incumbent reviews — the moat a new listing must climb
Competition
Bad75%top-5 click share — a locked-up shelf
Market size
Bad£58K£58K/yr · 27K searches
Brand share
Bad100%top-5 brand share — brand-locked demand