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spectra adapter
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$19.07avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Returns
Great1.6%return rate — above 5% kills the launch gate
Price range
Good$9.87–$24.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,370avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.5%90-day search growth — must beat 0% to launch
Market size
Bad$77K$77K/yr · 269K searches
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier