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sea glass
Skip itPrices mostly outside the sweet spot ($3.96–$13.28) — this niche doesn't clear our bar today.
Review moat
Incredible31.83avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Returns
Great1.2%return rate — above 5% kills the launch gate
Brand share
Good61%top-5 brand share — brands hold most of the demand
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Growth
Okay+4.8%90-day search growth — must beat 0% to launch
Conversion
Bad1.9%search→purchase rate — share of searches ending in a sale
Avg price
Bad£8.39avg listing price — sweet spot $15–$100
Market size
Bad£26K£26K/yr · 158K searches
Price range
Bad£3.96–£13.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals Low Review Barrier