Once you have a surplus, attack high interest rate debt first (typically credit card debt). (thousandaire.com)
This is because not only are you paying less in interest by consolidating high interest rate debt down to a low interest rate HELOC but you also get a tax benefit. (stockmonkeys.com)
Once that one is paid off, you'd do the same to the next highest interest rate debt on your list. (moneysense.ca)