40
lego modular buildings
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Competition
Great31%top-5 click share — an open shelf
Avg price
Good£117.72avg listing price — sweet spot $15–$100
Review moat
Good1,002.48avg incumbent reviews — the moat a new listing must climb
Market size
Okay£151K£151K/yr · 195K searches
Price range
Okay£9.21–£322.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-25.0%90-day search growth — must beat 0% to launch
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Brand share
Bad98%top-5 brand share — brand-locked demand
Signals High Price