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book nook japan
Skip itA small market ($20K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible£27.14avg listing price — sweet spot $15–$100
Price range
Great£13.43–£40.57cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good605.09avg incumbent reviews — the moat a new listing must climb
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-32.4%90-day search growth — must beat 0% to launch
Market size
Bad£20K£20K/yr · 47K searches
Signals Out of Stock