45
instant water heater under sink
Skip itPrices mostly outside the sweet spot ($58.22–$969.90) — this niche doesn't clear our bar today.
Market size
Great$1.3M$1.3M/yr · 292K searches
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Competition
Great40%top-5 click share — an open shelf
Review moat
Good873.13avg incumbent reviews — the moat a new listing must climb
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Avg price
Okay$340.10avg listing price — sweet spot $15–$100
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Growth
Bad-23.1%90-day search growth — must beat 0% to launch
Returns
Bad8.8%return rate — above 5% kills the launch gate
Price range
Bad$58.22–$969.90cheapest to priciest tracked listing — scored on the share inside $15–$100