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marble run
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great£20.73avg listing price — sweet spot $15–$100
Price range
Great£7.26–£46.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good68%top-5 brand share — brands hold most of the demand
Review moat
Good1,002.65avg incumbent reviews — the moat a new listing must climb
Market size
Good£492K£492K/yr · 689K searches
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-10.9%90-day search growth — must beat 0% to launch