I already spend a fortune at the post office with all my penfriends,probably costs me about £40 a month for stamps. I think that if the post office make huge increases like that, 19p on a second class stamp, I would be delivering even more cards than I do now. I don't think it would stop me sending them out though as I usually buy extras each week so that I don't have to buy them all in one go.
I know that everyone gets annoyed about price rises at the post office, but it is understandable as so much now is sent by email rather than regular post. I should imagine that there has been a drastic drop in the number of mailed items over the last few years.
A few of my penfriends prefer email, but on the whole, I correspond with most of them by snail mail, there is nothing like getting a letter dropping through the letter box, making a coffee and sitting down to savour it.
Sorry, I have gone on a bit.

Betty x