It sucks when this happens, but it does happen. After several flakes I stopped putting SPF in my threads. It is still available until I have the money in my paypal. Another good reason to use paypal, no need to wait days to find out if someone has flaked on you. Also, don't be afraid to move on if someone hasn't paid quickly enough. Stipulate quick payment in purchasing requirements.
Lastly, to combat the inevitable placement decent of your sales thread on the exchange, put a little link in your signature to your sales thread. If you are an active member in other areas of the forum, plenty of people will see it. I have done this and I have often clicked on links that other people have provided.
Lastly, to combat the inevitable placement decent of your sales thread on the exchange, put a little link in your signature to your sales thread. If you are an active member in other areas of the forum, plenty of people will see it. I have done this and I have often clicked on links that other people have provided.