An acquaintance of mine thinks they're being clever by racking up debt on 0% credit cards. He says you can just transfer it to another card when the term runs out. I don't think he intends to pay it off, just keep transferring. I've always been careful with money and I don't know much about credit cards because I don't use one. I started telling them that it was a bad idea to do that, but I couldn't really work out why as I don't know enough about it.
I assume people get caught out by these deals, but how exactly? Is it really possible to keep transferring your debt to new places and never pay any interest?