Texas Ranch & Self Reliance
A man lives on a farm, he writes his son in prison: I can't grow potatoes this year. I'm too old to be digging up the field. soon he gets a letter back from his son: you can't dig up the field, thats where i buried the bodies!!! The next morning the police came. They dug up the whole field but found nothing. Soon the farmer gets another letter from his son: Now Dad, you can grow potatoes. It was the best I could do from here.
I don't care who ya are, that's funny! ;D