40
propane tank valve
Skip itSoft demand (-36.2% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$22.88avg listing price — sweet spot $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Price range
Great$8.53–$62.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,543.4avg incumbent reviews — the moat a new listing must climb
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$41K$41K/yr · 75K searches
Growth
Bad-36.2%90-day search growth — must beat 0% to launch
Signals Low Review Barrier