42
hot water filter
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible27.1%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$43.61avg listing price — sweet spot $15–$100
Price range
Incredible$18.61–$92.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Review moat
Good751.4avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+5.1%90-day search growth — must beat 0% to launch
Market size
Bad$62K$62K/yr · 5K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand