45
4 inch grinder
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size
Incredible$4.7M$4.7M/yr · 1.4M searches
Returns
Great1.7%return rate — above 5% kills the launch gate
Avg price
Good$121.80avg listing price — sweet spot $15–$100
Review moat
Okay2,542.33avg incumbent reviews — the moat a new listing must climb
Growth
Okay+8.5%90-day search growth — must beat 0% to launch
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Price range
Okay$47.53–$239.76cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad72%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand
Signals High Price