46
bmw oil filter wrench
Skip itA small market ($68K/yr) — this niche doesn't clear our bar today.
Conversion
Great10.6%search→purchase rate — share of searches ending in a sale
Review moat
Great440.47avg incumbent reviews — the moat a new listing must climb
Price range
Good$5.78–$37.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Avg price
Good$13.51avg listing price — sweet spot $15–$100
Returns
Okay3.7%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Growth
Okay+3.2%90-day search growth — must beat 0% to launch
Market size
Bad$68K$68K/yr · 47K searches
Signals Low Review Barrier