spark plug wrench
Worth a lookShows no brand lock-in (top 5 brands take 46% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Great46%top-5 brand share — no brand owns this niche
Avg price
Great$16.92avg listing price — sweet spot $15–$100
Price range
Great$4.80–$50.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Conversion
Good6.2%search→purchase rate — share of searches ending in a sale
Returns
Good2.5%return rate — above 5% kills the launch gate
Review moat
Good1,378.39avg incumbent reviews — the moat a new listing must climb
Growth
Okay+20.0%90-day search growth — must beat 0% to launch
Market size
Okay$248K$248K/yr · 237K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality