As a seller, how do I send a PM (=Private Message?), to a buyer who has replied "I'll take it" and how is a PM reply from the buyer received,
both of which seem like the right way to agree on the details of the sale. Would I just indicate PM at the start of my reply, since I don't see a link
for it? I do understand that I should post 'Sold or SPF' and to whom sold if I accept a buyer's offer.