40
shark round brush attachment
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$29.80avg listing price — sweet spot $15–$100
Price range
Incredible$18.49–$91.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great335.36avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Market size
Okay$204K$204K/yr · 120K searches
Growth
Bad-23.2%90-day search growth — must beat 0% to launch
Returns
Bad8.9%return rate — above 5% kills the launch gate
Competition
Bad88%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand