This too really annoys me. I currently have the same situation - have bought 3 items from the one seller. Seller clearly states combined postage available - but when I go to pay, all items come up separately, with separate postage. Despite repeated requests to seller for a combined total invoice, I have had no contact. Rediculous, as I want to pay yet they are ignoring me!! If no reply within 7 days, I will be cancelling the purchase.

Recently also made an offer on an item - seller did not get back to me until 9 days later. Said 'I have been away' - then came back with a counter offer. Tough - as I had bought elsewhere, and already had the goods! Why do sellers not communicate with buyers? And I bet they are the first to complain about poor sales!!