47
marbles
Skip itPrices mostly outside the sweet spot ($3.55–$10.88) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Review moat
Great491.5avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Market size
Okay£131K£131K/yr · 384K searches
Growth
Okay+0.7%90-day search growth — must beat 0% to launch
Avg price
Bad£6.12avg listing price — sweet spot $15–$100
Price range
Bad£3.55–£10.88cheapest to priciest tracked listing — scored on the share inside $15–$100