> Expecting a valuable service with absolutely no consideration in return absolutely is a case of entitlement. Suppose an old couple had some gold stored in th

> Expecting a valuable service with absolutely no consideration in return absolutely is a case of entitlement. Suppose an old couple had some gold stored in the backyard. I offer to cut their lawn for free. They gladly accept. In return, I grab eight ounces of gold after every mow. Their son finds out what I've been doing and calls the cops. Would I be able to get away with this by claiming it's entitlement to expect me to cut someone else's lawn for free? Or would I be told that my fee needs to be based on an agreement by both parties and then sent to jail?