40
rear main seal stop leak
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$37.88avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.5%search→purchase rate — share of searches ending in a sale
Price range
Okay$9.55–$198.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Bad5,038.78avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.3%90-day search growth — must beat 0% to launch
Market size
Bad$69K$69K/yr · 33K searches
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand