I was the only bidder.
I paid £0.01 for the flash.
I paid £2.50 postage.
I have paid £2.51 total for the flash.
Seller paid listing fee £0.15
Seller paid final value fee (5.25% of £0.01 lets assume they round up!) £0.01
Seller paid postage £2.53
Seller paid PayPal fee (3.4% + £0.20) £0.29
Total loss £0.37
But it gets better - it was a charity auction. 100% of the sale fee was going the Terrence Higgins Trust.
This make total loss £0.38
But it gets better - under the charity auction rules you cannot end up giving less than £2.00 to the charity.
Final loss £2.37
So I have bought and paid for an item, money has gone to charity and I fee guilty for ripping off the person I bought it from...