32
professor mcgonagall hat
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$24.45avg listing price — sweet spot $15–$100
Review moat
Great184.5avg incumbent reviews — the moat a new listing must climb
Price range
Great$9.79–$55.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-29.8%90-day search growth — must beat 0% to launch
Returns
Bad9.2%return rate — above 5% kills the launch gate
Market size
Bad$20K$20K/yr · 12K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Returns