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lysine
Skip itPrices mostly outside the sweet spot ($5.19–$14.12) — this niche doesn't clear our bar today.
Conversion
Incredible19.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Market size
Good£458K£458K/yr · 283K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,316.63avg incumbent reviews — the moat a new listing must climb
Brand share
Bad90%top-5 brand share — brand-locked demand
Avg price
Bad£8.28avg listing price — sweet spot $15–$100
Growth
Bad-12.1%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf
Price range
Bad£5.19–£14.12cheapest to priciest tracked listing — scored on the share inside $15–$100