[jploh]

Reminds me of a time in Hong Kong when I accompanied a friend buy or trade used games at the train station. We were outside of the paid area and the other guy was inside the paid area of the concourse. It seems to be common practice there.

[kiwidrew]

Yep, happens all the time in HK. [1] The MTR (metro system) charges based on the station where you enter and the station where you exit. The ticket is valid for 150 minutes after you enter, which is plenty of time to take a train to a distant station and come back again. As long as you don't actually leave the distant station, the fare system has no idea where you went. :)

[1] http://www.urbanphoto.net/blog/2010/12/06/online-shopping-in...