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engine oil
Worth a lookShows low returns (0.5%), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Market size
Incredible£2.1M£2.1M/yr · 1.7M searches
Avg price
Great£19.55avg listing price — sweet spot $15–$100
Price range
Good£6.50–£35.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.3%search→purchase rate — share of searches ending in a sale
Growth
Okay+11.8%90-day search growth — must beat 0% to launch
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,194avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad97%top-5 brand share — brand-locked demand