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certainty herbicide
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Great$74.41avg listing price — sweet spot $15–$100
Review moat
Good509.6avg incumbent reviews — the moat a new listing must climb
Price range
Great$15.95–$127.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Market size
Good$362K$362K/yr · 80K searches
Growth
Bad-17.6%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand