Hello, I met same problems as you, I can't even make new listing either.
Do you get solved? I can't customer service twice, still no any feedback
or fixed on this. So frustrated.
I have the same problems! When my listing was sold out, like you, A 0,
B, 2, C 3...; then the second day, still has buyer can buy A. I checked
my listing, surprisingly found, A 3, B 3, C3.... all the numbers of
quantities changed. Not only one list, ...
