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plastic shower caps
Skip itPrices mostly outside the sweet spot ($3.66–$9.56) — this niche doesn't clear our bar today.
Conversion
Incredible17.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Brand share
Good63%top-5 brand share — brands hold most of the demand
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,899.58avg incumbent reviews — the moat a new listing must climb
Growth
Bad-4.8%90-day search growth — must beat 0% to launch
Market size
Bad$71K$71K/yr · 70K searches
Avg price
Bad$5.89avg listing price — sweet spot $15–$100
Price range
Bad$3.66–$9.56cheapest to priciest tracked listing — scored on the share inside $15–$100