30
magic rail cube
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Incredible£35.02avg listing price — sweet spot $15–$100
Price range
Incredible£20.07–£48.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great201.67avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad94%top-5 brand share — brand-locked demand
Competition
Bad94%top-5 click share — a locked-up shelf
Market size
Bad£0£0/yr · 37K searches
Growth
Bad-67.5%90-day search growth — must beat 0% to launch
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Signals Low Review Barrier