Just a quick reply as no-one else has picked this up. I understand from looking at discussions on this and other forums that the AE scheme is not entirely the best option for selling on Ebay etc online. This is because the percentage taken for tax and social security is charged on turnover (ie. total receipts) with no allowance for - in the case of distance selling - postage and packing. Also the AE scheme remains outside the VAT regimes.......
I am sure you will find more comments by searching the various forums. P-D de R.