54
broken spark plug removal tool
Worth a lookShows beatable incumbent ratings (4.0★), but a small market ($67K/yr) keeps it on the watch list.
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible$24.75avg listing price — sweet spot $15–$100
Review moat
Great238.87avg incumbent reviews — the moat a new listing must climb
Brand share
Great55%top-5 brand share — no brand owns this niche
Price range
Great$5.69–$117.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Growth
Okay+0.8%90-day search growth — must beat 0% to launch
Returns
Bad5.1%return rate — above 5% kills the launch gate
Market size
Bad$67K$67K/yr · 59K searches