Over the years, many people have come up with long-winded solutions to this problem but only in the past year have viable solutions become available. Though there are fees associated with these services, the right combination of reward programs and low risk investments can leave a savvy payer markedly ahead with the float.

[edit] Steps

Be sure you can pay off the debt you will incur and have the credit available to absorb it. If you feel certain you can do both of those things, proceed.
Choose the type of credit card you wish to make a payment with. If the card is a Visa, Discover, or Mastercard, proceed to the next step. If it is an American Express card, skip to Step 8.
Collect all pertinent information about your lender and your loan, including your account number, your lender's mailing address, and the due date of your payment.
Go to subject web site (cited below) and select "Make a Payment."
Make a note of the fee amount and be sure it is still a wise approach for you. Select your lender from the drop down list and provide relevant info on the payment screen. Click "Next."
Continue to steps 2 through 5 providing required information.
At step 5, confirm your payment amount is correct and proceed. Your payment is complete!
If you have an American Express card, you are required to enroll in their program while setting up your loan. If you are in the process of procuring a new loan, either through refinancing or purchase, you may contact their associate lender (cited below) and arrange a credit card payment.