Test one thing at a time. It feels slower and it is the only way to learn anything.

You are not imagining it and you are not being difficult. Document it and take the document in.

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

My pharmacist has become my actual doctor and I am at peace with it.

Photograph everything before you open it. Ten seconds, settles most disputes.

Written confirmation email after every phone call. Cheapest insurance there is. Not on An Post but the pattern is familiar.

You are not imagining it and you are not being difficult. Document it and take the document in.