Strong sourcing only pays off if your pricing survives Final Value Fees, fixed per-order charges, optional ads, payment deductions, and—in many regions—tax pass-through treatment that widens the fee base.
1. The three layers sellers feel first
Think of each sale as passing through stacked costs:
Final Value Fee (FVF)
Percentage of the order basis eBay uses for your category (often not just item price—shipping charged to the buyer can matter; sales-tax treatment varies by site policy).
Fixed per-order fee
A flat charge per order on many listings after free allotment rules—amount differs by subscription tier and region.
Promoted Listings
Optional ad fees scale with how aggressively you bid for placement—easy to underestimate when you judge margin.
2. Simple illustration (hypothetical US category math)
The numbers below are for intuition only. Plug your category and region into FeeCalc Pro instead of copying these percentages onto live listings.
- Example item + shipping charged to buyer $100.00
- Hypothetical FVF (13.25%) −$13.25
- Hypothetical fixed order fee ($0.40) −$0.40
- Rough payout before COGS & ops $86.35
Model your real payout
Layer COGS, shipping cost to you, packaging, ads, international exposure, and subscription tiers.
3. Taxes & fee bases—why “small” ticks matter
Marketplace policies evolve around where sales tax/VAT sits relative to fees. When more components fall inside the fee basis, effective take-home shifts—even if headline item price stays flat.
Budget conservatively: refresh assumptions quarterly and benchmark payouts vs estimates using actual statements for each SKU cluster you scale.
Takeaways
- Separate buyer-visible price from seller-economics price you need after fees.
- Treat Promoted Listings as part of landed COGS once you rely on them.
- Verify category schedules frequently—minor band shifts erase thin-margin SKUs fast.