Contact your credit card company and stay on pay pal. I had a similar situation with pay pal, and I prevailed. My hacker neighbor did something that flooded the thief's e-mail with interesting e-mails, he did not respond, I received my money back. I hope you prevail. Have a look at buying tips on this site
This good info. Most of all use this forum to check out your seller, and buyer if needed. This group has disdain thieves...