I needed more help to understand how to send parcels abroad and how customs taxes work. I was a bit stressed about getting that right and I did feel more detailed information could be made available from Stillwhite. Initially I invoiced just for shipping, only to discover when I went to formally buy the postage that the carrier wanted customs taxes upfront too; so I had to cancel the order, refund the buyer, resubmit the invoice and wait again for payment. That was stressful. Stillwhite needs to explain a bit more about that process . The invoice that is generated just says add shipping. It needs to say add shipping and any customs taxes that will be due too.
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