1. make sure they have pics to prove that it's really them
if they have a webcam, even better.
2. chat on skype or email them to get to know them better
3. it will be awkward when you guys first meet so get ready for a long silent pause lol
4. make sure you know what you want to do and don't want to do. he should never force you to do something you dont want to do. make that clear before you guys meet
5. if you notice that he posts a lot of listings on craigslist for sex, he may already have STDs, or he might be just really horny. make sure you ask him
6. if he does anything suspicious that may hint that he's a serial killer, RUN. make sure you know your way out of the exit wherever you guys are. don't ever let him lock the doors