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rj19lm champion spark plug
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible21.6%search→purchase rate — share of searches ending in a sale
Returns
Great1.4%return rate — above 5% kills the launch gate
Growth
Good+38.5%90-day search growth — must beat 0% to launch
Review moat
Good1,146.2avg incumbent reviews — the moat a new listing must climb
Price range
Good$6.38–$24.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$269K$269K/yr · 123K searches
Avg price
Okay$10.12avg listing price — sweet spot $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad88%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand