A couple of weeks ago a guy asked me a question on one of my adds. He did not use the private message system. I answered his question and left my phone number, I never heard from him again. Someone searching through the adds came across his question and private messaged him asking if he was still interested. The scammer even left him his phone number (I was out of the loop at this point). The scammer sent him payment info, the buyer sent him money through one of the payment things and never received anything. A week or so later I got a threatening message calling me every kind of crook and what would happen if we ever met. Also he gave me a negative. I got back to him asking him to call me and try to get to the bottom of this. He called and we were able to straighten everything out, he was still out $50, he also removed the neg. I will only do business with someone if we speak on the phone and I'm only using the private message.