As many New Zealanders feel the pinch of rising food prices, an increasing number of communities are returning to the days of bartering for the things they need.
But how do you set such a system up? And what's the key to running it successfully?
Our next guest will no doubt be able to help us answer those questions and more.
Jessica Keltie helped set up the Kapiti Crop Swap which has gone from strength to strength. She speaks to Mark.