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crest whitening pen
Skip itA concentrated shelf (top 5 take 87% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Conversion
Great8.4%search→purchase rate — share of searches ending in a sale
Growth
Good+45.5%90-day search growth — must beat 0% to launch
Avg price
Okay$11.43avg listing price — sweet spot $15–$100
Price range
Okay$2.59–$21.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Bad4,201.4avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Market size
Bad$56K$56K/yr · 58K searches
Competition
Bad87%top-5 click share — a locked-up shelf