Here's how you can lower your overhead on postage: Flip the sender and recipient addresses around and don't place a stamp on it. The mailman has to send it bac

Here's how you can lower your overhead on postage: Flip the sender and recipient addresses around and don't place a stamp on it. The mailman has to send it back to the sender, who, in this case is actually the recipient, because of the missing postage. HA!