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vitamin d
Skip itSoft demand (-14.8% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$74.37avg listing price — sweet spot $15–$100
Market size
Good$329K$329K/yr · 216K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Okay$28.55–$174.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Review moat
Bad4,887.47avg incumbent reviews — the moat a new listing must climb
Growth
Bad-14.8%90-day search growth — must beat 0% to launch