KEY POINTS
  • More than 40 percent of consumers who take advantage of a balance transfer offer don't pay off the balance during the introductory period that comes with low or no interest, a new study shows.
  • It's important to calculate beforehand how much you can pay each month so that at the end of that special-rate period when interest kicks in, you're not still close to where you started.

Anyone carrying burdensome credit-card debt knows how those zero percent (or low-rate) balance-transfer options can feel like a lifeline.

And if you approach them right, they can help you hack away at your debt much faster and reduce how much you pay in interest. Yet more than 40 percent of consumers who take advantage of these deals don't get the balance paid off during the special-rate period, according to a new study from CompareCards.com.