A few days ago, I posted about the interest earned on my ING Savings accounts in 2008. On a lark, I calculated the savings from using online bill payments (ING Electric Orange) to pay most of my bills. Last year, I made 166 payments. At 42 cents postage per bill, the minimum amount I saved was $69.72. If you add in the cost of a box of envelopes ($7 for a box of 50) and gasoline to deliver some of the bills to the post office, I probably saved $100.
Furthermore, I could confidently schedule the payment of bills close to the due date without fear of incurring late fees or interest charges.
2008 Late Fees Paid = $0
2008 Credit Card Interest Paid = $0.