Price of gas vs price of the stamp. There are some bills that can be dropped off to an office instead of mailed. Many utilities boards and doctor’s offices, for instance, offer a drop box option. If you are going to be nearby, you might want to save yourself a little money by dropping the payment off instead of putting it in the mail.
While on the subject, if you haven’t gone paperless yet, 2010 might be a good year to start. Not only does it benefit the environment by having less paper being used for bills, but it also saves the customer from needing to purchase stamps. While not all companies offer this option, the list is increasing of businesses who do. Call the company or check their website to see if this is an option.