59
propane refill adapter for 1 lb. tanks
Worth a lookShows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$17.04avg listing price — sweet spot $15–$100
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Brand share
Great59%top-5 brand share — no brand owns this niche
Market size
Good$701K$701K/yr · 547K searches
Price range
Good$6.86–$25.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,387.9avg incumbent reviews — the moat a new listing must climb
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Growth
Bad-35.1%90-day search growth — must beat 0% to launch