Indeed, this is not a joke but there's also not much to say. Me and Guilherme pay for everything that has to do with server services. If there are ever any problems, we commit ourselves to handle the problem out of our own pocket. The point is for you to not waste money. As in, you will not be fined for a non-popular comic that only a couple of hundred people like. They can keep reading as long as you can make it, you will not be losing money over it, ever.