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fermentation weights
Skip itPrices mostly outside the sweet spot ($4.66–$16.40) — this niche doesn't clear our bar today.
Returns
Great1.1%return rate — above 5% kills the launch gate
Review moat
Great180.13avg incumbent reviews — the moat a new listing must climb
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Brand share
Good73%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.83avg listing price — sweet spot $15–$100
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Market size
Bad£57K£57K/yr · 71K searches
Growth
Bad-22.4%90-day search growth — must beat 0% to launch
Price range
Bad£4.66–£16.40cheapest to priciest tracked listing — scored on the share inside $15–$100