Verified Mathematical Model & Formulation
Final Value Fee = (Total Amount Paid by Buyer × Category %) + $0.30 (or $0.40) Net Profit = Total Amount - Item Cost - Shipping - eBay Fees
Applies eBay’s standard final value fee on the entire transaction amount (item price + shipping charged to buyer + sales tax collected) plus a fixed per-order charge.
Configurable Parameters & Standard Units
- Item Sale Price ($): (Default: 100 usd)
- Shipping Charged to Buyer ($): (Default: 10 usd)
- Item Acquisition Cost ($): (Default: 35 usd)
- Actual Shipping Label Cost ($): (Default: 8.5 usd)
- Final Value Fee (%): (Default: 13.25 percent)
- Promoted Listing Ad (%): (Default: 0 percent)
Standard Worked Example & Practical Verification
Scenario: Sold a vintage camera for $120.00 + $12.00 shipping, bought for $40.00, actual shipping label $9.50.
Calculated Solution
$64.71 Net Profit (49.0% Profit Margin)
Practical Takeaway: eBay fees totaled $17.79 (13.5% of total transaction).
Frequently Asked Questions
Does eBay charge fees on sales tax?
Yes. eBay charges the final value fee percentage on the total amount the buyer pays, which legally includes state sales tax processed by eBay.