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100 lb propane tank adapter
Skip itSoft demand (-50.6% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$17.96avg listing price — sweet spot $15–$100
Price range
Great$8.14–$39.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.6%search→purchase rate — share of searches ending in a sale
Returns
Great1.9%return rate — above 5% kills the launch gate
Review moat
Good620.87avg incumbent reviews — the moat a new listing must climb
Brand share
Good65%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$68K$68K/yr · 50K searches
Growth
Bad-50.6%90-day search growth — must beat 0% to launch