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yayashi sp-4 toothpaste
Skip itA small market ($36K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Great$16.44avg listing price — sweet spot $15–$100
Price range
Good$11.25–$25.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Review moat
Bad6,603.8avg incumbent reviews — the moat a new listing must climb
Competition
Bad80%top-5 click share — a locked-up shelf
Growth
Bad-30.0%90-day search growth — must beat 0% to launch
Market size
Bad$36K$36K/yr · 37K searches