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cardboard sleeves
Skip itA small market ($54K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Great$21.82avg listing price — sweet spot $15–$100
Price range
Great$7.94–$53.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.7%search→purchase rate — share of searches ending in a sale
Review moat
Great361.54avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad74%top-5 click share — a locked-up shelf
Brand share
Bad91%top-5 brand share — brand-locked demand
Growth
Bad-13.2%90-day search growth — must beat 0% to launch
Market size
Bad$54K$54K/yr · 28K searches