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purple bulletin board paper
Skip itA small market ($15K/yr) — this niche doesn't clear our bar today.
Avg price
Great$17.99avg listing price — sweet spot $15–$100
Growth
Great+73.4%90-day search growth — must beat 0% to launch
Review moat
Good556.77avg incumbent reviews — the moat a new listing must climb
Price range
Good$8.76–$28.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.8%return rate — above 5% kills the launch gate
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad91%top-5 brand share — brand-locked demand
Market size
Bad$15K$15K/yr · 25K searches