38
oral b interspace brush heads
Skip itA small market ($52K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Incredible15.7%search→purchase rate — share of searches ending in a sale
Review moat
Great418.64avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Avg price
Bad£8.30avg listing price — sweet spot $15–$100
Growth
Bad-17.7%90-day search growth — must beat 0% to launch
Competition
Bad81%top-5 click share — a locked-up shelf
Price range
Bad£4.41–£17.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad£52K£52K/yr · 40K searches