Is it not possible to change the dispatch date on an etsy postage label immediately after you've purchased it? Have tried on pc and tablet but no option. Keep missing the drop down on which today is the default. And if you have accidentally left it on today does it affect your customer service stats if you post the next day?
You have to change the shipping before you buy the label.
You could ask for a refund on the label and purchase another one after changing the shipping date. Make sure you don't use the label that you don't use. And refunds can take a few days.
I don't purchase my labels until the order is packaged and ready to send. Sometimes this is the night before and I've never had a problem.
@TrinketDrawersUK At least in the US, it's not possible. I imagine it would be the same in the UK too.