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black shower curtains
Skip itPrices mostly outside the sweet spot ($3.36–$15.03) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Returns
Great1.4%return rate — above 5% kills the launch gate
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Review moat
Good803.36avg incumbent reviews — the moat a new listing must climb
Brand share
Good72%top-5 brand share — brands hold most of the demand
Competition
Bad72%top-5 click share — a locked-up shelf
Avg price
Bad£6.82avg listing price — sweet spot $15–$100
Market size
Bad£58K£58K/yr · 121K searches
Growth
Bad-24.9%90-day search growth — must beat 0% to launch
Price range
Bad£3.36–£15.03cheapest to priciest tracked listing — scored on the share inside $15–$100