I would prefer to send them written notice about resignation rather than a call where they try and talk you out of it. I do the same with credit cards because y

I would prefer to send them written notice about resignation rather than a call where they try and talk you out of it. I do the same with credit cards because you always get put through to the "please stay with us, keep your card, just don't use it" people who I don't wish to argue with.