Dan Kenyon via Getty Images
A man has divulged his ingenious way to avoid paying for daily parking.
An Ask Reddit thread set up on Wednesday asked: "What's an unethical way you save money?"
While some people revealed using cheap, foreign coins to wash their laundry or buying OAP cinema tickets online, it was this entry that drew the most admiration...
So simple, so effective.
Here are some of the other efforts.