Constant Content

I got contacted by a client via private message about some content he purchased wanting me to give him a little chart to go along with it. He seems to think that I can send him a doc attachment in my reply using the CC message system, but there is no attachment button that I can see. He was able to ...

I got a message from a CC customer who is interested n buying a couple of my articles and we agreed on a certain price that was a bit lower than the public listing price. Is there any way to set up a private sale with the customer at the agreed upon price or do I have to just reduce the public price...