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Save both time and fuel by skipping the trip to the post office the next time you need to send a package. At the U.S. Postal Service's Web site, you can print postage-paid shipping labels, buy stamps and other shipping supplies, change your address, and put your mail on hold, as well as schedule free package pickups from your doorstep.
Hop onto USPS.com right now and you can calculate exactly how much pounds of carbon emissions, along with gallons of gas, you'll stand to save by letting your mouse finger do your walking (or driving, as the case may be). ::USPS
Difficulty level: Easy
