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spring valley vitamin d3
Skip itA deep review moat (21,861 avg reviews) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible12.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.37avg listing price — sweet spot $15–$100
Price range
Good$8.21–$26.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Market size
Okay$106K$106K/yr · 47K searches
Growth
Bad-14.6%90-day search growth — must beat 0% to launch
Competition
Bad79%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad21,861.29avg incumbent reviews — the moat a new listing must climb