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biotin
Skip itPrices mostly outside the sweet spot ($5.66–$10.43) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible16.6%search→purchase rate — share of searches ending in a sale
Market size
Great£1.3M£1.3M/yr · 1.0M searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,275.43avg incumbent reviews — the moat a new listing must climb
Avg price
Bad£7.66avg listing price — sweet spot $15–$100
Growth
Bad-25.5%90-day search growth — must beat 0% to launch
Brand share
Bad97%top-5 brand share — brand-locked demand
Competition
Bad94%top-5 click share — a locked-up shelf
Price range
Bad£5.66–£10.43cheapest to priciest tracked listing — scored on the share inside $15–$100