You need to be very careful doing this. While it improves cash flow you end up paying well over the odd in interest. Some of these providers are delighted to see you coming in. You are paying a hugh amount in additional interest.
You need to see what the APR is on each loan. Any additional cash should go to paying off the loan with the highest APR first.
You need to see what the APR is on each loan. Any additional cash should go to paying off the loan with the highest APR first.