47
flawless replacement heads
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Conversion
Great9.3%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$16.90avg listing price — sweet spot $15–$100
Price range
Good$9.13–$31.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$413K$413K/yr · 263K searches
Returns
Okay3.0%return rate — above 5% kills the launch gate
Review moat
Okay2,619.67avg incumbent reviews — the moat a new listing must climb
Growth
Okay+6.6%90-day search growth — must beat 0% to launch
Competition
Bad87%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand