Bsal... 🙂

The question isn't if the items are overpriced. The seller is stuck with $7 postage for most things unless they combine. That's just the price that AusPost sets for things under 500g but thicker than 20mm. The question is how can the seller make the postage seem lower to the people who may not understand why it needs to be at $7 for that single book.

Personally, I'd probably concede the extra .50c eBay fee for adding postage price into item price if it meant I was selling more items.