In reply to Frankie boy:
"Whatever happened to good old cheap farmer's fields?"
People saw that you could make decent money with a little investment...
To answer your question, in North Wales I use this place: Cae Gwyn Campsite. In Nant Peris. Really good location, often very quiet and the owner is friendly. £10 a night for 1 person + tent + car.
Post edited at 14:09