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grinder blades
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Conversion
Great10.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$20.22avg listing price — sweet spot $15–$100
Price range
Great$2.24–$102.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,761.53avg incumbent reviews — the moat a new listing must climb
Growth
Okay+5.5%90-day search growth — must beat 0% to launch
Market size
Okay$122K$122K/yr · 57K searches
Competition
Bad74%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad96%top-5 brand share — brand-locked demand