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black stair gate
Skip itA deep review moat (21,286 avg reviews) — this niche doesn't clear our bar today.
Avg price
Incredible£23.62avg listing price — sweet spot $15–$100
Price range
Incredible£18.42–£34.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Returns
Okay3.6%return rate — above 5% kills the launch gate
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Growth
Bad-9.6%90-day search growth — must beat 0% to launch
Market size
Bad£74K£74K/yr · 67K searches
Review moat
Bad21,285.94avg incumbent reviews — the moat a new listing must climb