After designing a site for a client, we put it online and called him to remind about the payment.

Client: Well I changed my plans recently, so I don’t need that site anymore.

Me: Okay, we will have to take it down then.

Client: Wait, what? I thought you would just leave it as it is right now!

Me: If you want us to leave it running, you have to pay us for our work.

Client: But I don’t want to pay you!