Changing a listing's postage to add next-day/express delivery in the UK

Question

Hi there, I currently have an item listed on eBay, and unfortunately it will not arrive for my buyers before Christmas. One such buyer messaged me asking if I could ship it to them with the next-day delivery, or "express" delivery, or as an alternative, 48-hour-delivery. I have spent the morning trying to find out how to do it; there seems like no such way editing my listing and changing the postage / packing options, on the website or app. For testing purposes, I also drafted another listi...

style_wise · Accepted Answer

If you turn off EVRI, and use Simple Delivery via Royal Mail only, it goes via RM Tracked 48.