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biotin
Skip itA concentrated shelf (top 5 take 90% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$60.85avg listing price — sweet spot $15–$100
Price range
Good$26.65–$131.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$464K$464K/yr · 133K searches
Review moat
Bad4,913.33avg incumbent reviews — the moat a new listing must climb
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-14.3%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf