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guinea pig shampoo
Skip itPrices mostly outside the sweet spot ($7.56–$15.60) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 6% kills the launch gate
Conversion
Great9.0%search→purchase rate — share of searches ending in a sale
Review moat
Great462.1avg incumbent reviews — the moat a new listing must climb
Avg price
Good$12.55avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+0.5%90-day search growth — must beat 0% to launch
Market size
Bad$86K$86K/yr · 76K searches
Brand share
Bad92%top-5 brand share — brand-locked demand
Competition
Bad85%top-5 click share — a locked-up shelf
Price range
Bad$7.56–$15.60cheapest to priciest tracked listing — scored on the share inside $15–$100