40
oil drain plug repair kit
Skip itA small market ($58K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$32.57avg listing price — sweet spot $15–$100
Review moat
Great269.09avg incumbent reviews — the moat a new listing must climb
Price range
Great$9.98–$104.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+30.9%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Returns
Okay4.5%return rate — above 5% kills the launch gate
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Competition
Bad82%top-5 click share — a locked-up shelf
Market size
Bad$58K$58K/yr · 76K searches
Signals Low Review Barrier