Hard for us to give a correct answer as members like yourself , we have no access to your account.
Are you buying postage from eBay? Then, this will be deducted from any payout received.
Are you adding any of the following optional listing upgrades:
Add any of the following optional listing upgrades, and they all come with a non refundable listing fee.
This is payable sale or no sale and charged the second the item goes live.
Reserves: 4% of the set reserve ( maximum £150 per item)
Subtitles: £2
Listing in 2 categories: 35p
Gallery Plus: £2.50 ( free for clothes and shoes)
Listings with duration 1 - 3 days 35p
As a tip, before clicking on the final List Item With Displayed Fees button, glance just above it, it should read £0.00 Listing Fee.
If there is a fee amount listed there, you have selected an upgrade, and if you wish, it gives you time to scroll up and remove the payable upgrade.
See your payment breakdown for your transactions from Payments >> All transactions or from this link :
https://www.ebay.co.uk/sh/fin/transactions
@tariusmike