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thyroid test
Skip itA concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great$51.13avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$15.03–$119.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,185.18avg incumbent reviews — the moat a new listing must climb
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Market size
Okay$144K$144K/yr · 63K searches
Growth
Bad-5.4%90-day search growth — must beat 0% to launch
Competition
Bad81%top-5 click share — a locked-up shelf