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spark plugs for chevy 5.3
Skip itBrand-locked demand (top 5 brands take 92% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$39.42avg listing price — sweet spot $15–$100
Price range
Great$7.76–$106.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good621.89avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Returns
Good2.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$117K$117K/yr · 56K searches
Competition
Bad72%top-5 click share — a locked-up shelf
Growth
Bad-4.2%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand