53
rolling bookshelf
Worth a lookShows no brand lock-in (top 5 brands take 45% of clicks), but weak search conversion (0.7%) keeps it on the watch list.
Brand share
Great45%top-5 brand share — no brand owns this niche
Competition
Great29%top-5 click share — an open shelf
Avg price
Great$87.72avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Returns
Good2.3%return rate — above 5% kills the launch gate
Growth
Okay+7.7%90-day search growth — must beat 0% to launch
Market size
Okay$160K$160K/yr · 257K searches
Review moat
Bad4,109.68avg incumbent reviews — the moat a new listing must climb
Price range
Bad$18.49–$513.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale