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diphenhydramine
Skip itPrices mostly outside the sweet spot ($4.12–$10.33) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible12.1%search→purchase rate — share of searches ending in a sale
Market size
Good$532K$532K/yr · 533K searches
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Okay+0.3%90-day search growth — must beat 0% to launch
Competition
Bad71%top-5 click share — a locked-up shelf
Avg price
Bad$8.24avg listing price — sweet spot $15–$100
Review moat
Bad15,029.8avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Price range
Bad$4.12–$10.33cheapest to priciest tracked listing — scored on the share inside $15–$100