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guinea pig vitamin c
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Conversion
Incredible18.8%search→purchase rate — share of searches ending in a sale
Price range
Okay$3.75–$24.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$215K$215K/yr · 108K searches
Avg price
Okay$10.64avg listing price — sweet spot $15–$100
Review moat
Okay3,197.38avg incumbent reviews — the moat a new listing must climb
Growth
Bad-2.4%90-day search growth — must beat 0% to launch
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad92%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand