Note: I haven't actually made this order yet. I think there's an issue with the billing system somewhere, and I'd rather not risk spending an extra 20 bucks if I don't have to.
I'm trying to make an order containing two PDFs and two physical books. The total prices of those add up correctly.
Unfortunately no matter what option I pick, the page won't change the shipping charge from US$20.99. I would like to set the physical books to ship with my next Pathfinder subscription shipment, but even when I set my shipping option to immediate shipping for US$17.83, the shipping cost in my bill is still listed as US$20.99.
As an additional note, if I set my shipping options to a faster and more expensive option it gives the correct shipping price, but reverts to the US$20.99 price when I change it back to either ship with subscription or standard postal shipping.