40
bathroom white noise machine
Skip itA concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$26.51avg listing price — sweet spot $15–$100
Price range
Great$12.57–$68.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Returns
Okay3.1%return rate — above 5% kills the launch gate
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Okay+4.2%90-day search growth — must beat 0% to launch
Review moat
Bad9,807.44avg incumbent reviews — the moat a new listing must climb
Market size
Bad$57K$57K/yr · 49K searches
Competition
Bad84%top-5 click share — a locked-up shelf