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engine carbon cleaner
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Incredible$27.94avg listing price — sweet spot $15–$100
Price range
Great$9.87–$93.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,145avg incumbent reviews — the moat a new listing must climb
Growth
Okay+6.2%90-day search growth — must beat 0% to launch
Market size
Okay$142K$142K/yr · 64K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad71%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand