39
philips sonicare brush head
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$41.12avg listing price — sweet spot $15–$100
Price range
Incredible$14.79–$56.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Review moat
Good1,293.14avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-6.3%90-day search growth — must beat 0% to launch
Competition
Bad80%top-5 click share — a locked-up shelf
Market size
Bad$15K$15K/yr · 4K searches
Brand share
Bad100%top-5 brand share — brand-locked demand