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kz castor
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$24.57avg listing price — sweet spot $15–$100
Price range
Incredible$23.39–$25.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good668.4avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Okay3.1%return rate — above 5% kills the launch gate
Growth
Okay+8.7%90-day search growth — must beat 0% to launch
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$57K$57K/yr · 110K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand