Meanwhile I have had a strange eBay result, I was looking to order a 15V battery for an analogue multimeter and I clicked on the BIN button for a battery from a seller called
"jlsbatteries" based in Shropshire, and got this message on screen.
Strange because I have never dealt with this seller before
I can only assume that it must be one of these Chinese companies that uses a load of aliases in the UK to sell on eBay from UK warehouses and is most likely linked directly to that seller that I had the issue with over that ultrasonic cleaner and that they did not like having to pay for the return of their mis-sold item.
On the other hand I ordered some 1% resistors from another seller called "msgraphics", yesterday and today the seller popped them personally through my front door with a nice note.
Edit. I decided to see if my son could order the battery me, so I popped into his room, and he logged and tried to buy it and bingo, it's on its way to me. So question for you IT and coding freaks, would my son have a different IP address to me or are all computers etc, after the main router seen as one address?