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engine catalytic converter cleaner
Skip itSoft demand (-76.1% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$10.85–$46.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$18.01avg listing price — sweet spot $15–$100
Brand share
Great58%top-5 brand share — no brand owns this niche
Review moat
Good1,384avg incumbent reviews — the moat a new listing must climb
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Market size
Bad$21K$21K/yr · 45K searches
Growth
Bad-76.1%90-day search growth — must beat 0% to launch