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spirulina
Skip itPrices mostly outside the sweet spot ($3.75–$16.73) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,753.94avg incumbent reviews — the moat a new listing must climb
Market size
Okay£179K£179K/yr · 204K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Bad70%top-5 click share — a locked-up shelf
Avg price
Okay£8.96avg listing price — sweet spot $15–$100
Growth
Bad-19.4%90-day search growth — must beat 0% to launch
Price range
Bad£3.75–£16.73cheapest to priciest tracked listing — scored on the share inside $15–$100