For example, if you buy a new camera 10 months into a 12 - month 0 % period, you won't pay interest on it for 2 months. (valuepenguin.com)
Or you can just let it ride and pay interest on it until you find an extra 1000 to pay the HELOC. (biggerpockets.com)
With a 0 % balance transfer offer, you may transfer your debt from your old card to your new card and stop paying interest on it for a while. (echeck.org)