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interspace toothbrush
Skip itPrices mostly outside the sweet spot ($2.07–$11.16) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible16.5%search→purchase rate — share of searches ending in a sale
Review moat
Good1,223.61avg incumbent reviews — the moat a new listing must climb
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Bad£85K£85K/yr · 119K searches
Growth
Bad-7.2%90-day search growth — must beat 0% to launch
Avg price
Bad£4.36avg listing price — sweet spot $15–$100
Price range
Bad£2.07–£11.16cheapest to priciest tracked listing — scored on the share inside $15–$100