I had clients who did shit like that to me. Unless you know the client well you gotta demand at least 50% upfront or else some of them will pay you or not, depending on whether they feel like it. Even if it's just a small amount of money, I remember forever those who decided not to pay me, and neither should you. It's your fault for letting things get so out of hand that he owes you $650.
Brilliant idea posting every fucking article he bought from you at the article sites. Go do it!
Brilliant idea posting every fucking article he bought from you at the article sites. Go do it!