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vampire plugs
Skip itSoft demand (-42.8% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible61.35avg incumbent reviews — the moat a new listing must climb
Avg price
Great$18.39avg listing price — sweet spot $15–$100
Price range
Great$8.18–$38.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.7%return rate — above 5% kills the launch gate
Market size
Bad$85K$85K/yr · 78K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-42.8%90-day search growth — must beat 0% to launch
Signals Low Review Barrier