Craigs List has the the advantage and disadvantage of being a public venue. When someone approaches you with an address from the list, especially of something unsolicited, be suspicious.

My mother, who is new to computers [at 87] got offered one of these Spanish Prisoner scams which would send her all sorts of money if she would senda processing fee of only $850. Her response was to tell them to take it out of the Million.

If someone offers you a tremendous deal, offer to handle the money through a venue such as PayPal, which does not give away any personal info.

If you believe in something for nothing, you will have the privilege of getting nothing for something and probably having your identity stolen into the bargain.

If you are buying from any of the public bulletin boards, remember the old motto: KIB--Kash is best as almost anything else can be counterfeited or used to steal your personal info.