47
pella sliding door rollers
Skip itA small market ($35K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible67.5avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$26.64avg listing price — sweet spot $15–$100
Price range
Great$11.99–$49.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+80.7%90-day search growth — must beat 0% to launch
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Returns
Okay4.6%return rate — above 5% kills the launch gate
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad74%top-5 click share — a locked-up shelf
Market size
Bad$35K$35K/yr · 26K searches
Signals Low Review Barrier