17 Things You Should Never Buy Used

Jewelry

You may think you're getting an awesome deal by purchasing jewelry at a tag sale or thrift shop. But, unless you're well-versed in identifying jewelry value, you could actually be getting ripped off. Chances are, someone is trying to sell jewelry for far more money than they bought it for. As if that weren't enough of a reason, some types of costume jewelry can even contain trace amounts of toxic substances or allergens like nickel and lead.