I edited my last message as I can see now that you didn't offer pick up so the buyer will have no QR code.

Hopefully you have an honest buyer.

Your funds will be on hold for up to 31 days IF you're already verified, signed up for managed payments

https://www.ebay.com.au/help/selling/getting-paid/getting-paid-items-youve-sold/transaction-holds?id...

When your payment becomes available, you'll need to request a payout. It won't be done automatically