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tanzanite necklace
Skip itA small market ($30K/yr) — this niche doesn't clear our bar today.
Review moat
Great180.58avg incumbent reviews — the moat a new listing must climb
Avg price
Great$79.87avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good70%top-5 brand share — brands hold most of the demand
Returns
Okay3.3%return rate — above 5% kills the launch gate
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Okay+2.8%90-day search growth — must beat 0% to launch
Price range
Bad$7.85–$379.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$30K$30K/yr · 63K searches
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale