- 1
The size lane
Top sellers stock 'normal' sizes (M, L, XL). Plus sizes, tall sizes, and petite sizes are routinely underserved with 30–40% higher margins.
- 2
The accessory lane
Big sellers focus on the hero product. The cables, mounts, cases, and replacement parts are owned by smaller sellers with much less competition.
- 3
The bundle lane
Same products, repackaged as solution bundles. New ASINs, no direct competition, 20–30% margin uplift.
- 4
The geographic lane
Source from a supplier whose freight cost is high for most US sellers but low for you. Cost advantage = pricing power.
- 5
The seasonal lane
Stock the off-season inventory other sellers don't. When demand returns and competitors are out, you have the only listing.
All guides
SOURCING 20 min read
Finding profitable suppliers in saturated categories
Every category looks saturated from the front. The trick is knowing where to look from the side. Here are five frameworks for finding open lanes in apparently crowded markets.

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