Still seems that you have to achieve so many posts to send a pm to another member. Plus it usually takes a little while for the server to catch up to your post count. 24 hours i believe
The biggest thing you are doing wrong is not reading the information at the top of every classified section.
You don't seem like a scammer to me, just post the sellers name in this thread and that you want to buy something from them, I'm sure they'll get back to you. Just put it like this with the @ symbol before it @steve kelts