http://www.firesworn.com/topic/182-common-scams-in-eve-online/
Useful page on EvE scams. Worth a read.
While it is true that the sandbox tends to encourage mendacity, that does not mean we, the players of EvE, are compelled to tolerate it.

IF SOMEONE IS WRITING SOMETHING ABOUT A DEAL OFFERED IN LOCAL THE TEXT IS PROBABLY A LIE. IF SOMEONE IS SIMPLY LINKING A DEAL THAT LOOKS GOOD IT HAS A GOOD CHANCE OF BEING GOOD. READ TWICE BEFORE YOU CLICK! DON'T MAKE TRANSACTIONS WHEN YOU ARE DRUNK STONED OR TIRED!