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lego piano
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Great£98.55avg listing price — sweet spot $15–$100
Review moat
Good581.67avg incumbent reviews — the moat a new listing must climb
Price range
Okay£10.86–£255.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-7.9%90-day search growth — must beat 0% to launch
Market size
Bad£42K£42K/yr · 21K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand