3/8 marine fuel line
Worth a lookShows a sweet-spot price point ($25.87 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$25.87avg listing price — sweet spot $15–$100
Growth
Great+100.7%90-day search growth — must beat 0% to launch
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Price range
Great$10.42–$67.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Review moat
Good807.08avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$62K$62K/yr · 23K searches