44
bathroom exhaust fan with humidity sensor
Skip itWeak search conversion (1.4%) — this niche doesn't clear our bar today.
Review moat
Great224.23avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$128.59avg listing price — sweet spot $15–$100
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Market size
Okay$160K$160K/yr · 89K searches
Growth
Bad-0.5%90-day search growth — must beat 0% to launch
Price range
Okay$32.61–$301.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Bad5.5%return rate — above 5% kills the launch gate
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale