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How to Track Profit by Source
(Not Just Revenue)

Revenue is vanity. Profit is sanity. Here's how to know exactly which sourcing channels actually make you money.

📅 July 1, 2026 · ⏱ 6 min read · 📁 Profit & Analytics

Many businesses track revenue. Few track profit by source. That's a mistake—because not all sourcing channels are created equal.

The Problem: Revenue Hides the Truth

You might have one source that generates 40% of your revenue—but only 15% of your profit. Meanwhile, another source generates 20% of revenue and 40% of profit.

⚠️ Common Mistake

Sellers often double down on high-revenue sources—unaware they're low-profit. Tracking profit by source changes everything.

How Source Tracking Works

Source tracking software lets you record the cost of every item by source. Then, when the item sells, the profit automatically rolls up to that source.

📊 Example Source Profit Report:

Source Profit Margin
Estate sales $6,845 36.9%
Garage sales $5,126 36.0%
Liquidation lots $2,432 31.8%

Why This Matters for eBay Sellers

eBay sellers source from garage sales, estate sales, thrift stores, and liquidation lots. Without source tracking, you're flying blind.

  • Double down on your most profitable sources
  • Cut or negotiate on low-margin sources
  • Make smarter buying decisions
  • Maximize your overall profit margin

Ready to track profit by source?

Start Tracking →

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