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colgate battery toothbrush
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible15.7%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,890.6avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad£70K£70K/yr · 74K searches
Avg price
Bad£5.98avg listing price — sweet spot $15–$100
Growth
Bad-18.7%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£2.99–£7.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals Low Review Barrier