adopt an olive treerating:
"Adopt one of its 881 trees for a year and you'll receive all the produce from your tree. Imagine dunking your bread in your own oil from your own tree 1,500 miles away on a hillside in Italy."
and only 60 quid!
We do actually have an olive tree in a pot on our patio; somehow I don't think North Somerset is quite the right climate for it to fruit, although it's very leafy ...