Go to paypal.com and follow the instructions. Basically, they'll give you an email address and paypal notifies them through that email they have received money. Once received, they can transfer or request a check or whatever.

If buying cross country, I tend to work through all the fishing sites. As long as they have some history on the board and I don't get spooky on them for some reason, I just trust that it'll work out. So far, I've never gotten burned.

Wannabe...