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prestone antifreeze coolant
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$28.63avg listing price — sweet spot $15–$100
Returns
Great1.2%return rate — above 5% kills the launch gate
Price range
Great$10.11–$87.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,417.15avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Competition
Bad71%top-5 click share — a locked-up shelf
Market size
Bad$85K$85K/yr · 95K searches
Growth
Bad-9.8%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand