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coolant leak detection kit
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible12.6%search→purchase rate — share of searches ending in a sale
Returns
Great1.8%return rate — above 5% kills the launch gate
Review moat
Good874.1avg incumbent reviews — the moat a new listing must climb
Avg price
Good$12.26avg listing price — sweet spot $15–$100
Price range
Okay$6.56–$19.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-20.1%90-day search growth — must beat 0% to launch
Competition
Bad82%top-5 click share — a locked-up shelf
Market size
Bad$58K$58K/yr · 37K searches
Brand share
Bad95%top-5 brand share — brand-locked demand