Step 1.
Pick your favorite contact method,
https://simplifiedprivacy.com/contact.html

Step 2. You tell me the country, and then you'd get a PGP receipt with (your pick of) the Bitcoin or Monero address.
https://simplifiedprivacy.com/how-pgp-insurance/index.html

Step 3, when paid, I'd collect your shipping address, and it would go out.
PGP Receipts DON’T have any of your personal info on them, just order numbers and the model, because we save them, and you can speak with arbitrators or post it publicly if we don't deliver.

Once enough time passes, and it's after the dispute period, we wipe your real address.  And only save the PGP receipt with an order number.