Gross sales are not what goes in your pocket
When an item sells for $50 on eBay, you did not make $50. Most resellers know this instinctively, but few calculate every line item before or after the sale.
Between platform final value fees, payment processing, optional promoted listing rates, and shipping label adjustments, your actual net return can easily fall below 50% of the sticker price.
The Math on a Real $50 Sale
Let's break down a typical $50 sale of a vintage jacket:
- Gross Sale Price: $50.00
- Original Purchase Cost (COGS): $12.00
- Platform Fee (eBay 13.25% + $0.30): -$6.93
- Promoted Listing (5%): -$2.50
- Shipping Label (buyer paid $8.50, label cost $9.20): -$0.70
- Packaging & Poly Mailer: -$0.85
True Net Profit: $27.02 (a 54% margin instead of the assumed 76%).
Tracking your actual numbers per item helps you identify which inventory categories are genuinely paying your bills and which ones are just keeping you busy.