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gas monitor
Skip itPrices mostly outside the sweet spot ($21.91–$908.83) — this niche doesn't clear our bar today.
Review moat
Good682.74avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.9%return rate — above 5% kills the launch gate
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Avg price
Okay$237.95avg listing price — sweet spot $15–$100
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$96K$96K/yr · 13K searches
Growth
Bad-1.9%90-day search growth — must beat 0% to launch
Price range
Bad$21.91–$908.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price