A quick breakdown of the costs of selling 1 x 12″ record for £1 plus shipping (£4.20) via eBay:
Total Sales: £5.20
Total Costs: £4.72
Record Mailer: £0.30
Postage £3.90
Final Price Fee: £0.10
Final Value On Shipping £0.42
That leaves a whopping 48p profit for the sale of the item!?!
Postage is getting bumped to £4.80..