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jewelry tumbler
Skip itA concentrated shelf (top 5 take 80% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$91.43avg listing price — sweet spot $15–$100
Review moat
Great494.8avg incumbent reviews — the moat a new listing must climb
Returns
Good2.6%return rate — above 5% kills the launch gate
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$9.17–$187.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$121K$121K/yr · 34K searches
Brand share
Bad90%top-5 brand share — brand-locked demand
Growth
Bad-9.3%90-day search growth — must beat 0% to launch
Competition
Bad80%top-5 click share — a locked-up shelf
Signals High Price