49
coolant refractometer
Skip itSoft demand (-21.8% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$39.45avg listing price — sweet spot $15–$100
Review moat
Great259.67avg incumbent reviews — the moat a new listing must climb
Returns
Great1.5%return rate — above 5% kills the launch gate
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Price range
Good$11.18–$139.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$169K$169K/yr · 54K searches
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Bad-21.8%90-day search growth — must beat 0% to launch