31
double up roller
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$87.73avg listing price — sweet spot $15–$100
Review moat
Good745.2avg incumbent reviews — the moat a new listing must climb
Returns
Good2.3%return rate — above 6% kills the launch gate
Price range
Good$9.11–$162.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-2.8%90-day search growth — must beat 0% to launch
Market size
Bad$66K$66K/yr · 19K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand