Me and a mate are planning to go for a few days bus touring this summer. Ride the buses, go from place to place. As evening strikes keep an eye for a nice spinney or the like near a village. Then pop out, have a couple of beers and supper, walk out after 10. Wander back to location, then kip.
If we get time we'll possibly look at maps to discover where a spinney or wood has public footpaths, then use them. You only need to get 50 metres off the public track and will rarely be discovered.