45
brake fluid cap
Skip itPrices mostly outside the sweet spot ($4.59–$16.31) — this niche doesn't clear our bar today.
Quality gap
Incredible3.7★avg incumbent rating — lower means beatable quality
Review moat
Great130.12avg incumbent reviews — the moat a new listing must climb
Brand share
Great57%top-5 brand share — no brand owns this niche
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Avg price
Bad$8.11avg listing price — sweet spot $15–$100
Growth
Bad-7.3%90-day search growth — must beat 0% to launch
Returns
Bad7.4%return rate — above 5% kills the launch gate
Market size
Bad$53K$53K/yr · 106K searches
Price range
Bad$4.59–$16.31cheapest to priciest tracked listing — scored on the share inside $15–$100