46
black door stop
Skip itA small market ($28K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Brand share
Good61%top-5 brand share — brands hold most of the demand
Review moat
Good569.63avg incumbent reviews — the moat a new listing must climb
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-10.8%90-day search growth — must beat 0% to launch
Avg price
Bad£7.24avg listing price — sweet spot $15–$100
Price range
Bad£2.77–£16.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad£28K£28K/yr · 55K searches