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engine oil dye
Skip itA concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible12.7%search→purchase rate — share of searches ending in a sale
Returns
Great1.5%return rate — above 5% kills the launch gate
Avg price
Great$18.88avg listing price — sweet spot $15–$100
Price range
Good$7.59–$33.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good884.75avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$175K$175K/yr · 73K searches
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-18.6%90-day search growth — must beat 0% to launch
Competition
Bad89%top-5 click share — a locked-up shelf