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engine oil
Skip itA small market ($47K/yr) — this niche doesn't clear our bar today.
Returns
Great1.4%return rate — above 5% kills the launch gate
Avg price
Good$121.56avg listing price — sweet spot $15–$100
Growth
Good+21.1%90-day search growth — must beat 0% to launch
Review moat
Good1,465.62avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$16.93–$211.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Competition
Bad77%top-5 click share — a locked-up shelf
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad$47K$47K/yr · 39K searches
Signals High Price