How to Send Mail Free (no Stamp)

Heres a simple step you can take if you need to mail something but have no stamp.

Simply switch the two addresses so that whoever your sending the mail to is in upper left hand corner. This is usually the return address area.

Now just put your address in the middle of the envelope and stick it in your nearerst corner mailbox.
Because there is no stamp, your letter will be returned to sender. Which is actually where you want it to go!