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ngk tr6
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$33.71avg listing price — sweet spot $15–$100
Price range
Incredible$27.50–$40.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great136.25avg incumbent reviews — the moat a new listing must climb
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Returns
Great1.6%return rate — above 5% kills the launch gate
Growth
Okay+2.3%90-day search growth — must beat 0% to launch
Market size
Bad$72K$72K/yr · 21K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier