Bring a list. Embarrassment makes everyone forget things, including you.

Written confirmation email after every phone call. Cheapest insurance there is.

Personal experience, labelled as such, is exactly right here. Nobody is prescribing. How long have you been on dihydrocodeine?

No wrong answers, and yours is a good one. Not on a laptop battery but the pattern is familiar.

This is the correct amount of effort for a thread like this.

Written confirmation email after every phone call. Cheapest insurance there is.