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heat exchanger
Skip itWeak search conversion (0.3%) — this niche doesn't clear our bar today.
Review moat
Incredible79.39avg incumbent reviews — the moat a new listing must climb
Competition
Incredible20%top-5 click share — an open shelf
Brand share
Great49%top-5 brand share — no brand owns this niche
Avg price
Okay$182.46avg listing price — sweet spot $15–$100
Returns
Okay3.4%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$88K$88K/yr · 142K searches
Growth
Bad-28.6%90-day search growth — must beat 0% to launch
Price range
Bad$17.10–$1313.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.3%search→purchase rate — share of searches ending in a sale
Signals High Price